Welcome to E85 Carburetors & Conversion

Tips: E85carbs.com wants your conversion to go well. Please read to ensure your E85 conversion powers up without a hitch!

Tune Info Worksheet

Do-It-Yourself Conversion Kits

purple and black e85 carburetor kits

For Holley, QuickFuel, Proform, and Demon carburetors. All E85 kits come with parts, gaskets and instructions.

Personalized custom-tuned kits, please complete and submit this *Information Sheet*.

PROFORM is a registered trademark of Specialty Auto Parts USA, Inc. Holley®, Dominator®and Double Pumper® are registered trademarks of Holley® Performance Products, Inc.

** Stock-Appearing 4150 and 4160 kits require you to send your stock metering block in for conversion. Rob Mix Services, Inc. * 465 North Street * Saint Paul, MN 55130

Not sure if you can do the work? Read the instructions for 4150.

2 Barrel 7448 for 350 E85 Carburetor Kit
7448 kit--for 2-barrel 350 carbs. Includes a billet purple, billet black, or stock-appearing metering block (if in stock, or we can convert yours**), 2 jets, 1 power valve, 1 high-flow needle & seat, 1 accel nozzle, 1 30cc or 50cc pump diaphragm, and gaskets. 1 day turnaround on blocks we receive.

2 Barrel 350 Purple Do It Yourself Kit
$223.85

2 Barrel 350 Black Do It Yourself Kit
$233.85

2 Barrel 350 Stock Appearing Do It Yourself Kit
$213.85

2 Barrel 4412 for 500 E85 Carburetor Kits
4412 kit--for 2-barrel 500 carbs. Includes a billet purple, billet black, or stock-appearing metering block (we convert yours** 24 hour service), 2 jets, 1 power valve, 1 high-flow needle & seat, 1 accel nozzle, and 1 30cc or 50cc pump diaphragm, and gaskets. 1 day turnaround on blocks we receive.

2 Barrel 500 Purple Do It Yourself Kit
$223.85

2 Barrel 500 Black Do It Yourself Kit
$233.85

2 Barrel 500 Stock Appearing Do It Yourself Kit
$213.85

4 Barrel 4150 or Demon Double Pumper 650, 750, 850, 950 and 1050 E85 Carburetor Kits
4150 kit--for 4-barrel 650,700, 750, 850, 950, and 1050 double-pumper carbs: Demon, Holley, Proform and Quickfuel. Includes 2 billet purple, billet black, or stock-appearing metering blocks--send us your stock blocks to convert**--4 jets, 1 high-flow PV, 1 PV plug, 2 accel nozzles, 2 high-flow needles & seats, and 2 30cc or 50cc pump diaphragms.

4 Barrel Double Pumper 4150 Purple Do It Yourself Kit
$393.85

4 Barrel Double Pumper 4150 Black Do It Yourself Kit
$393.85

4150 Stock Appearing Do It Yourself Kit (Must send your M-blocks**)
$343.85

4 Barrel 4160 or Demon Vacuum Secondary 600, 650, 750 and 850 E85 Carburetor Kits
4160 kits--for 4-barrel vacuum secondary carbs. Includes 4 jets, 1 high-flow PV, 1 accel nozzle, 1 black or purple billet metering block, your choice of a 2nd metering block or internal metering plate (depends on your carb needs), 2 high-flow needles & seats, and 1 30cc or 50cc pump diaphragm.

4160 Vac Sec W/Internal Plate Do It Yourself Kit Purple
$393.85

4160 Vac Sec W/Metering Block Do It Yourself Kit Black
$403.85

4160 Stock Appearing DP Do It Yourself Kit (Must send your M-blocks)
$313.85

4 Barrel Dominator 3 Cir HP E85 KIT
4500 kit--for HP-style Dominators. Includes a modified 34-45E85QFT kit with 2 red race billet metering blocks (a street-friendly PV primary metering block can be purchased in our Dominator Street kit), 4 HP-style annular boosters, 2 Nitrophyl® floats (standard primary and notched secondary), stainless steel squirter screws, 2 .150" stainless steel needles & seats, 2 E85 50cc diaphragms and springs, air bleeds, and 4 jets.

4500 (RED) 34-45E85QFT Do It Yourself Kit for Dominator
$529.85

Gas Conversion Kit 4150 650, 750, 850, 950, and 1050

Gas Conversion Kit	Convert your E85 carb back to gas 4 main jets 4 Idle fuel restricters 2 PV restrickters 1 PV Gasket 2 Bowls and 2 Metering Block Gaskets 2 Gas size Accellerator nozzels & Gaskets We need to know what size carb you are converting so we can send correct parts. This kit works best on our billet block carburetors.
Gas Conversion Kit $109.00

Don't Forget a Test-Kit

E85 Test Kit & Excel Sample


Purchase a new E85 Test Kit $31.54	Our Excel file displays a full amount of information for you to adjust your alcohol content. The green blocks are the fields you change and the red information shows the required action to make E85. We have discontinued the CD so the Excel file will be sent to your email address when we ship your Test Kit.

This new E85 test kit will help you find just how your fuel is mixed. With water and a small amount of fuel, this test kit will show the percentage of alcohol and gas. Helpful for max effort E85 engines. This kit comes with an Excel file with a fuel conversion formula. Works on PC or Mac and helps you adjust the alcohol content of your fuel.

Performance Carburetor Overhauls

For Holley, QuickFuel, Proform, and Demon Gas and E85 carburetors
Select one, use your CC for payment, send us your carb, we will do the work and ship it back fast.

4412 2-barrel 350 and 500 Holley carbs--includes Ultrosonic Cleaning, 1 power valve, 1 high-flow needle & seat, 1 - 50cc or 30cc pump diaphragm and new gaskets.

4150 4-barrel double-pumper carbs--includes Ultrosonic Cleaning, 1 high-flow PV, 2 high-flow needles & seats, and 2 30cc or 50cc pump diaphragms and new gaskets.

4160 4-barrel vacuum secondary carbs--includes Ultrosonic Cleaning, 1 high-flow PV, 2 high-flow needles & seats, and 1 30cc or 50cc diaphragm and new gaskets.

4500 4-barrel Dominator 1050-1150 carbs-- includes Ultrosonic Cleaning,1 high-flow PV if needed, 2 high-flow needles & seats, and 2 50cc diaphragm and new gaskets.
EdelBrock 4-barrel 500-800

Custom tunning and or adjustments can be done (may carrier extra cost so contact us with your needs)

PROFORM is a registered trademark of Specialty Auto Parts USA, Inc. Holley®, Dominator®and Double Pumper® are registered trademarks of Holley® Performance Products, Inc.

2-barrel Holley Carbs $184.25	4-barrel Holley style 4150/4160 Carbs $287.25
4-barrel Holley style 4500 Race Carbs $357.25	*4-barrel EdelBrock* Carbs** $230.25

2-barrel Holley Carbs $184.25	4-barrel Holley style 4150/4160 Carbs $287.25
4-barrel Holley style 4500 Race Carbs $357.25	*4-barrel EdelBrock* Carbs** $230.25

E85 Street Carbs

Billet E85 Street Mech Carb (Blk & Silver Only)

Mech or Vac
Custom built for your engine
High-performance street carburetor! E85carb's new Street Series Carburetor is hand-assembled in the U.S. utilizing a High-Flow Carburetor Main Body, durable Billet Metering Blocks, Aluminum Fuel Bowls, and a high-performance Billet Throttle Base Plate. Lightweight Aluminum!
High-Flow Center Section Design!
Flat Surfaces: CNC Precision Finish!
Screw-In Idle Air Bleeds!
Screw-In High Speed Bleeds!
600-650 Straight Leg Booster!
750-850 High-Perf Down Leg Boosters!
Electric Choke only.
Custom built for your engine.
Click here for more information!

Personalized your custom tuned carb please fill out this *Information Sheet*
and hit submit at the end.

Billet E85 Street Vacuum Carb (Blk Only)

E85 Mech 600cmf Street Carb $678.35	E85 Vac 600cmf Street Carb $667.40
E85 Mech 650cmf Street Carb $716.45	E85 Vac 650cmf Street Carb $716.75
E85 Mech 750cmf Street Carb $771.35	E85 Vac 750cmf Street Carb $755.68
E85 Mech 850cmf Street Carb $800.75

E85 Street & Drag Race Carbs
our best performing carburetors

Billet E85 Race 4150 Carb

Click here for more information!

Mech Race Carbs
Custom built for your engine
High performance race carburetor! E85carb's Race Series Carburetors are hand-assembled in the U.S. utilizing a High-Flow Carburetor Main Body, durable billet metering blocks, aluminum fuel bowls, and a high performance billet throttle base plate.
Lightweight Aluminum!
High-Flow Center Section Design!
Flat Surfaces: CNC Precision Finish!
Screw-In Air Bleeds!
650 Straight Leg Booster!
750-950 30cc Accel pumps & High-Perf 2 step Down-Leg Boosters!

Personalized your custom tuned carb please fill out this *Information Sheet*
and hit submit at the end.

Billet E85 Race 4500 Carb (Grn Only) Green FX 1050 carburetor

Click here for more information!

Billet E85 Race 4150 Carb Black E85 carburetor

Custom Color Black

*E85 650cmf* 4150 Race Carb Purple $871.25**	*E85 1050cmf* 4150 Race Carb Purple $1124.25**	E85 750cmf 4150 Race Carb Black $971.85
*E85 750cmf* 4150 Race Carb Purple $971.25**	Large Bore 4500 Style Carburetors 3 cir	E85 850cmf 4150 Race Carb Black $1030.85
*E85 850cmf* 4150 Race Carb Purple $1030.50**	E85 1050cmf 4500 Dominator Carb Green $1699.95	E85 950cmf 4150 Race Carb Black $1099.85
*E85 950cmf* 4150 Race Carb Purple $1099.50**	E85 1150cmf 4500 Dominator Carb Green $1780.64	E85 1050cmf 4150 Race Carb Black $1124.85

Custom E85 Carburetors. Custom built for your engine Allow 1 to 2 weeks in shop for build time for custom color E85 Carbs

Holley®, Dominator® and Double Pumper® are registered trademarks of Holley® Performance Products, Inc.

Don't Forget a Test-Kit

E85 Blow-Through Race Carbs
High-performance race carburetors! E85carb's new Blow-Through Series Carburetor is hand-assembled in the U.S.
using a high-flow carburetor main body w/annulur boosters for E85 up to 900HP+. Can be upgraded to 1400hp+
durable billet metering blocks, aluminum fuel bowls, and a high-performance billet throttle base plate.
Lightweight Aluminum! High-Flow Center Section Design!
Flat Surfaces: CNC Precision Finish! Screw-In Idle Air Bleeds!
Screw-In High Speed Bleeds! Custom built for your engine.
Please allow up to 2 weeks for the build!
Personalized custom-tuned Carburetors Tune Info worksheet


Black E85 Blow Through Race 750 Carb $1253.97	Red E85 Blow Through Race 750 Carb $1253.97	Green E85 Blow Through Race 750 Carb $1253.97

Polished Aluminum 4150 Pro Extreme Series O-Ring Carb Hat
Out Of stock
Contact Supplier www.superiorairflow.com

E85 Circle Track Race Carbs
Personalized custom tuned Carburetors Tune Info worksheet

E85carbs 4412 - 500 CFM We select only the highest flowing castings
Position boosters precisely in center for best flow and equal signal
E85 Billet or Factory metering block design to match your engine and class rules if applicable. Balance all metering passages, then resize and modify for optimum fuel curve, including: Emulsion, High Speed Air Bleed, Idle, Idle Air Bleed, Main Well, Main Well Exit, Power Valve, Anti-Siphon air bleed accelerator nozzel, Transition Install hi-flow .130" needle and seat for consistent fuel delivery and float bowl volume. We Remove choke hardware and Assembled with reusable gaskets for ease in tuning and service.

E85carbs 7448 - 350 cfm

We select only the highest flowing castings
Position boosters precisely in center for best flow and equal signal
E85 Billet or Factory metering block design to match your engine and class rules if applicable. Balance all metering passages, then resize and modify for optimum fuel curve, including: Emulsion, High Speed Air Bleed, Idle, Idle Air Bleed, Main Well, Main Well Exit, Power Valve, Anti-Siphon air bleed accelerator nozzel, Transition Install hi-flow .130" needle and seat for consistent fuel delivery and float bowl volume. We Remove choke hardware and Assembled with reusable gaskets for ease in tuning and service.

The E85 650 CFM Circle Track Carburetor is joining the Race Series line of high-performance carburetors. This carburetor has all the great features of the Race Series plus special modifications to meet the circle track racers’ needs.

Features include:

• Weighs only 7.4 lbs. All-aluminum construction.

• Molded wedge floats to keep the fuel flowing in the turns

• A power valve in the secondary side of the for carb for smooth transitions

• Teflon® bearing ribbons around the throttle shafts for smooth operation; and changeable operating links to control secondary opening rates.

750 circle track carburetor

The E85 750 CFM Circle Track Carburetor is joining the Race Series line of high-performance carburetors. This carburetor has all the great features of the Race Series plus special modifications to meet the circle track racers’ needs.

Features include:

• Weighs only 7.4 lbs. All-aluminum construction.

• Molded wedge floats to keep the fuel flowing in the turns

• A power valve in the secondary side of the for carb for smooth transitions

• Teflon® bearing ribbons around the throttle shafts for smooth operation; and changeable operating links to control secondary opening rates.

Circle track stock appearing Holley HP 650 CFM Carburetor This E85 fuel carburetor has all the special modifications to meet the circle track racers’ needs.

Features include:

• Molded wedge floats to keep the fuel flowing in the turns

• A power valve in the secondary side of the for carb for smooth transitions

• Reflowed stock metering blocks

• Progressive mechanical secondaries

• Dual 30cc accelerator pumps

• Spun-in straight leg boosters

• approved for late model stock car classes

Edelbrock E85 Carburetors by E85carbs
Personalized custom tuned Carburetors Tune Info worksheet

E85carbs 600cfm E85 Edelbrock Carb

Edelbrock E85 Carbs by E85carbs

Ball-burnished aluminum, square bore Performer Series carbs are reliable and provide reasonble fuel economy with E85. This carb is supported by a long line of aftermarket parts.

We purchase these new gas carburetors and do our conversion to E85.
These converted carbs can not be made to work with gas.
Personalized custom tuned Carbs Tune Info worksheet

Edelbrock is a registered trademark of Edelbrock USA, Inc. Holley®, Dominator®and Double Pumper® are registered trademarks of Holley® Performance Products, Inc.

E85carbs 750cfm E85 Edelbrock Carb 750 Edelbrock carburetor
Discontinued

E85 Edelbrock Conversion Including Thunder Series and Performer
This includes normal replacement parts for E85. Cleaning and a basic overhaul is included for no extra charge. 500 & 600 work the best for E85, we can convert 500, 600, 650, 750 PERFORMER or THUNDER SERIES AVS Edelbrock Carbs .After purchasing a conversion, you will need send your carburetor to us.
**Converted carbs can not be made to work with gas**

Purchase your conversion here with PayPal or credit card, print out your recipt and Ship a copy with your carb and send it to us at: Rob Mix Services, Inc.*465 North Street * Saint Paul, MN 55130. This overhaul can take 1 week in shop but we try to turn it sooner if possable. Return shipping will be added at checkout about $29.50

$399.00

Carb Bodies

Carb Bodies 650-1050

aluminum carburetor body

High-Performance Aluminum Carburetor Main Body
Direct Replacement Components to turn a street carburetor into a high-performance carb: Add power with PROFORM’s 100% NEW, high-performance carburetor main body. Easy swap-in, swap-out installation utilizing existing metering blocks, fuel bowls, and baseplate. Involves only 14 screws. Has adjustable screw-in air bleeds, high-performance down-leg boosters. Get maximum air flow with no air horn, choke tower, or choke control. Comes with instructions, all necessary non-stick replacement gaskets, and high-performance jet kit. PROFORM is a registered trademark of Specialty Auto Parts USA, Inc. Holley® and Double Pumper® are registered trademarks of Holley® Performance Products, Inc

For high HP engines the .180" boosters will allow for more fuel flow.

Technical Note: Main body does not retain vacuum advance port in original metering block.

High Performance Alum 4150 Carburetor Main Body 750cfm $153.85	High Per Alum 4150 Carb Main Body 750cfm with .180" downleg boosters. $353.00
High Performance Alum 4150 Carburetor Main Body 850cfm $197.47	High Per Alum 4150 Carb Main Body 850cfm with .180" downleg boosters. $375.00
High Performance Alum 4150 Carburetor Main Body 950cfm $244.77	High Per Alum 4150 Carb Main Body 950cfm with .180" downleg boosters. $394.00
High Performance Alum 4150 Carburetor Main Body 1050cfm $260.63	High Per Alum 4150 Carb Main Body 1050cfm with .180" downleg boosters $430.00

E85 Carb Parts

	Mr. Gasket Carburetor Adapter Kit - Square Flange Carburetor to Quadrajet 4 Barrel Manifold. This carburetor adapter kit fits square flange carburetors to Quadrajet-jet 4-barrel intake manifolds and is 3/4" thick with an open center, square bore to spread bore. Part #1932
Carb Adapter #1932 $26.99

	4160 Fuel Line 8-21/32" This carburetor fuel line fits 4160 dual feed carburetors with one metering block.
4160 Fuel Line 8-21/32" $28.41

	4150 Fuel Line 9-5/16" This carburetor fuel line fits 4150 dual feed double pumper carburetors with two metering blocks.
4150 Fuel Line 9-5/16" $28.41

	E85 Large Size Jet Kit for Standard 4150 and 4500 Gas/E85 Carbs. This kit includes 12 jets. 2 each of #100, #102, #104, #106, #108 and #110
E85 Large Size Jet Kit $31.99

	.130 Viton Large Size Needle & Seat with gaskets for Most Holley, Quick fuel, Proform and Barry Grant Gas/E85 carbs. Sold as shown
One Needle & Seat .130 w/Gaskets $18.87

	High flow - Jet Extensions & Notched Float Holley, Quick fuel, Proform and Barry Grant Gas/E85 carbs. These Extensions are .160" and do not restrick flow from even #110 jets. Sold as a kit
Pair of Jet Extn and Notched Foam Float $47.00

	.028 Air Bleeds This kit includes 4 -10/32 .028" air bleeds Quick fuel, Holley or Proform
.028 Air Bleed set of 4 $7.96

	.068 Air Bleeds This kit includes 4 -10/32 .068" air bleeds Quick fuel, Holley or Proform
.068 Air Bleed set of 4 $7.96

	Blank Idle Fuel Restrictors Gas/E85 carbs. This kit includes 4 idle fuel restrictors blank so you can drill to any size. Brass, 6-32 unf blank
4 idle fuel resatrictors blank $7.00

	Jet Kit for standard 4150 and 4500 Gas/E85 carbs. This kit includes 1 holding plate with 48 holes and 22 jets. 2 each of #80, #81, #82, #83, #84, #85, #86, #87, #88, #89 and #90 #22-800
Jet Kit 80-90 #22-800 $54.65

	Jet Kit for standard 4150 and 4500 Gas/E85 carbs. This kit includes 1 holding plate with 48 holes and 22 jets. 2 each of #90, #91, #92, #93, #94, #95, #96, #97, #98, #99 and #100 #22-900
Jet Kit 90-100 #22-900 $54.65

	Jet Kit for standard 4150 and 4500 Gas/E85 carbs. This kit includes 1 holding plate with 48 holes and 44 jets. 4 each of #100, #101, #102, #103, #104, #105, #106, #107, #108, #109 and #110 #22-1004
Jet Kit 100-110 #22-1004 $72.58

	50CC Pump Kit 4150 Carbs. This billet 50cc pump kit is setup for E85 or gas. This kit comes with the pump housing & 4 screws, arm, return spring, brown cam & screw, and E85/gas pump diaphram. This kit works on 4150 style carburetors. Also avalable as an upgrade when used on your new carb or kit. See below.
50CC Pump Kit 4150 carbs $59.99	50CC Pump Upgrade diaphrams are part of DIY kit or Carburetor order and do not come with the upgrade $49.00

	30CC Pump Kit 4150 Carbs. This billet 30cc pump kit is setup for E85 or gas. This kit comes with the pump housing & 4 screws, arm, return spring, pink cam & screw, and E85/gas pump diaphram. This kit works on 4150 style carburetors.
30CC Pump Kit 4150 carbs $29.99

	E85 Purple Billet high Flow Metering Block This purple billet metering block is setup for E85. Upgrade your carb and add this block(s). Comes with body & bowl gaskets, 2 E85 Idle restricers and fuel bowl vent. This upgrade comes with one (1) Purple block. Gas use requires a different idle fuel restricters that do not come with the kit.
Billet Purple metering block $140.00	Gas idle fuel restricters qty 2 $5.00

	E85 Black Billet High Flow Metering Block This black billet metering block is setup for E85. Upgrade your carb and add this block(s). Comes with body & bowl gaskets, 2 E85 Idle restricers and fuel bowl vent. This comes with one (1) Black block. Gas use requires a different idle fuel restricters that do not come with the kit.
Billet Black metering block $150.00	Gas idle fuel restricters qty 2 $5.00

	E85 Stock-Appearing Metering Block We can rework your stock blocks! Send us your stock blocks we will send them back in 24 hours shop time or less all ready for E85 and include new gaskets. We do not suppy vent tubes. Contact us for quote on 1, 3, or more.
Your mblocks setup for E85 w/new gaskets $150.14

E85/Alcohol/Gas High Flow Overhaul Kit

High-Performance 4150 DP Carburetor kit fits 650, 700, 750, 800, 830, 850, 950and 1050 E85 or Gas, Holley, Proform, Demon and Quickfuel DP Carbs Overhaul kit for use double Pumpers with Mechanical Secondaries. Comes small parts bag, 2- .150 ss Needel & Seats 2 #65 high flow power valves, 2 50cc and 1 30cc accel diaphrams and all the none sticks gaskets you need to overhaul your E85 converted, alcohol or gas carb.
#3-204

	E85/Alcohol/Gas Dominator Overhaul Kit High-Performance 4500 Carburetor kit fits 750, 1050, 1150, 1250 E85/alcohol or Gas, Holley, Demon and Quickfuel large bore Overhaul kit for use with 4500 carburetors. Comes small parts bag, 2- .150 ss Needel & Seats, 2 50cc accel diaphrams and all the none sticks gaskets you need to overhaul your E85 converted, alcohol or gas carb. #3-207
High Flow 4500 3-207 overhaul kit $83.99

	High Performance Overhaul Kit High-Performance 4160 Vac Carburetor kit fits 390, 450, 600, 750, 850 Vac Sec Holley, Proform, Demon and Quickfuel Vac Sec Carbs Overhaul kit for use Vacuum Secondaries. Comes with small parts bag, new sec. springs, screws and all the none sticks gaskets you need to overhaul your 4160 carb. #3-300
High Performance 4160 3-300 overhaul kit $58.99

	New item High-Performance 4412 or 2300 Carburetor kit fits 350 and 500 cfm Gas, Holley, Demon and Quickfuel large bore Overhaul kit for use with 350 or 500 carburetors. Comes small parts bag, 1- Needel & Seats,1- 50cc accel diaphrams and all the none sticks gaskets for gas carb. #3-301
High Perf 350/500 3-301 overhaul kit $57.99

	New item Super None Stick 4150 DP Carburetor kit fits 390 450 600 750 850 cfm Gas, Holley, Demon and Quickfuel large bore Overhaul kit for use with 390 or 850 carburetors. Comes small parts bag, 2- Needel & Seats,1- 50cc 1-30cc accel diaphrams and all the none sticks gaskets for gas carb. #3-302
None Stick 4150 DP 3-302 overhaul kit $98.99

	New item Super HP 4150 DP Carburetor kit fits 750 850 950 1050 cfm Gas E85 or Methonal, Holley, Demon and Quickfuel large bore Overhaul kit for use with 750 to 1050 carburetors. Comes small parts bag, 2- Needel & Seats,2- 50cc GFTL diaphrams and all the none sticks gaskets for gas carb. #3-304
Super HP 4150 DP 3-304 overhaul kit $88.50

	New item Super HP 4150 DP Carburetor kit fits 650, 750, 800, 850, 950, 1050 cfm Gas E85, Holley, Demon and Quickfuel large bore Overhaul kit for use with 750 to 1050 carburetors. Comes small parts bag, 2- Needel & Seats,2- 50cc gas diaphrams and all the none sticks gaskets for gas carb. #3-305
Super HP 4150 DP 3-305 overhaul kit $88.00

	#45 Power Valve High Flow E85 4 slot high flow
#45 Powervalve High Flow $8.99

	#65 Power Valve High Flow E85 4 slot high flow
#65 Powervalve High Flow $8.99

Gas Conversion Kit No Photo yet	Gas Conversion Kit Convert your E85 carb back to gas 4 main jets 4 Idle fuel restricters 2 PV restrickters 1 PV Gasket 2 Bowls and 2 Metering Block Gaskets 2 Gas size Accellerator nozzels & Gaskets We need to know what size carb you are converting so we can send correct parts. This kit works best on our billet block carburetors.
Gas Conversion Kit $99.00	No photo yet

Carburetors we convert to E85 in our shop
Personalized custom tuned Carburetors please read this Tune Info worksheet

Stock HP Dominator 4500

HP Holley Dominator or Demon E85 Conversion
We convert HP series 3 Circit dominator style carbs to E85

The conversion replaces boosters, metering blocks, jets, air bleeds, accel pumps, nozzles, needle & seats and gaskets. We setup the carb for your motor and drive line as close as possible. You do have a option of having a streetable power valve primary metering block (just ask), Green Color Only

Blow Through we add new floats and increase fuel flow. Note this is a baseline blow through conversion. You might want to add dual Needel & Seat bowls for high HP motors over 1100hp

Purchase your conversion here with PayPal or credit card, print out your recipt and Ship a copy with your carb and send it to us at Rob Mix Services, Inc.*465 North Street * Saint Paul, MN 55130. This overhaul can take 1 to 2 weeks in shop but we try to turn it sooner if possable. Return shipping will be added at checkout about $32.50

Expect the power of E85carbs! Click here for more information about converting carburetors.

4150 seris Zink Holley Carb setup for E85

Holley 4150 dblpumpers conversion

E85 Holley Conversion 4150 Now includes purple or black billet metering or use the stock appearing blocks (just ask). We can convert your 4 corner idle carb quickly 2 corner can be done too. This includes normal replacement parts for E85. If your carb needs cleaning or a overhaul we can get that done for no extra charge. 4 corner idle adjustable carbs work the best, but we can convert most Holley performance carbs. On engines producing 700+ HP with a 4150 style carb we recomend .180" booster upgrade.

Click here for more information
about converting carburetors.

On engines producing 700+ HP with a 4150 style carb we recomend .180" booster upgrade.

500 cfm Holley setup for E85 purple metering block

Holley 350 or 500 to E85 Custom Conversion includes a billet metering block or for class rules we rework your stock metering block. We can convert your 2 barrel carb quickly. This includes normal replacement parts for E85. If your carb needs cleaning or a overhaul we can get that done for no extra charge. Race prep can be done (just ask). We can convert most 2 barrel performance carbs.

Click here for more information about converting carburetors.

E85 conversion Edelbrock 500 to 750

E85 Edelbrock Conversion

This includes normal replacement parts for E85. Cleaning and a basic overhaul is included for no extra charge. 500-750 Edelbrock carbs work good with E85. We setup dual quad's for e85 too! These carbs work very good for fuel economy and great offroad performers. You truck guys should try E85!

Expect the power of E85 with E85carbs!

Click here for more information about converting carburetors.

Convert your Rochester 2brl to E85 We can convert your 2 barrel carb quickly. This includes normal replacement parts for E85. If your carb needs an overhaul we can get that done for an extra charge. We can convert most 2 barrel performance carbs.

Expect the power of E85 with E85carbs!

Click here for more information about converting carburetors.

Custom Gas Carbs
Jets, Idle restricters, Shooters & Bleeds adjusted to your motors needs
Personalized custom tuned Carburetors please read this Tune Info worksheet

Billet Proform Race 4150 Carb (Purp Only)

Mech Race Carbs
Custom built for your engine
High performance race carburetor! Race Series Carburetors are hand-assembled in the U.S. utilizing a High-Flow Carburetor Main Body, durable billet metering blocks, aluminum fuel bowls, and a high performance billet throttle base plate.
Lightweight Aluminum!
High-Flow Center Section Design!
Flat Surfaces: CNC Precision Finish!
Screw-In Idle Air Bleeds!
Screw-In High Speed Bleeds!
650 Straight Leg Booster!
750-1050 High-Perf Down-Leg Boosters!
Custom built for your engine.
Personalized custom tuned Carbs please read this Tune Info worksheet

Billet Race 4500 Carb (Red Only)

Red FX 4500 carb 1050

Cas 650cmf 4150 Race Carb Purple $723.21	Gas 1050cmf 4150 Race Carb Purple $870.75
Cas 750cmf 4150 Race Carb Purple $731.09	1050cmf 4500 Dominator Carb Red $1312.95
Circle Gas 750cmf 4150 Race Carb Purple $831.00	1150cmf 4500 Dominator Carb Red $1415.95
Gas 850cmf 4150 Race Carb Purple $731.84	1250cmf 4500 Dominator Carb Red $1498.95
Gas 950cmf 4150 Race Carb Purple $824.16

Custom Color Billet GAS Carburetors. Custom built for your engine
Personalized custom tuned Carburetors please read this Tune Info worksheet


GAS 650cmf 4150 Race Carb Black $724.90	GAS 650cmf 4150 Race Carb Red $842.95
GAS 750cmf 4150 Race Carb Black $736.90	GAS 750cmf 4150 Race Carb Red $907.95
GAS 850cmf 4150 Race Carb Black $802.90	GAS 850cmf 4150 Race Carb Red $971.95
GAS 950cmf 4150 Race Carb Black $830.90	GAS 950cmf 4150 Race Carb Red $1034.95
GAS 1050cmf 4150 Race Carb Black $836.90	GAS 1050cmf 4150 Race Carb Red $1164.95

Allow 1 to 2 weeks in shop for build time for custom color GAS Carbs

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2 Barrel 350 Purple Do It Yourself Kit $223.85	2 Barrel 350 Black Do It Yourself Kit $233.85
2 Barrel 350 Stock Appearing Do It Yourself Kit $213.85

2 Barrel 500 Purple Do It Yourself Kit $223.85	2 Barrel 500 Black Do It Yourself Kit $233.85
2 Barrel 500 Stock Appearing Do It Yourself Kit $213.85

4 Barrel Double Pumper 4150 Purple Do It Yourself Kit $393.85	4 Barrel Double Pumper 4150 Black Do It Yourself Kit $393.85
4150 Stock Appearing Do It Yourself Kit (Must send your M-blocks**) $343.85

4160 Vac Sec W/Internal Plate Do It Yourself Kit Purple $393.85	4160 Vac Sec W/Metering Block Do It Yourself Kit Black $403.85
4160 Stock Appearing DP Do It Yourself Kit (Must send your M-blocks) $313.85