Since 1952
America's Oldest Speed Shop ®
Speedway Motors Bill Smith
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Holley Carb products have been the undisputed leader in fuel systems for over 100 years. Holley carburetors have powered every NASCAR, Sprint Cup team, and every NHRA Pro Stock champion for four decades. Holley's carb products include performance fuel pumps, fuel injection, intake manifolds, cylinder heads & engine dress-up products for street performance, race and marine applications.

"Holley" Page 1 of 4

  • Holley 20-132 LS Accessory Drive Bracket-ALT, P/S, A/C
    Holley 20-132 LS Accessory Drive Bracket-ALT, P/S, A/C
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                Please view the product's page for more information
            
  • Holley Power Valve
    From: $9.99
    Product Rating: 5.00 Stars
    Holley Power Valve
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                Standard flow. Available sizes include: 2.5, 3.5, 4.5, 5.5, 6.5, 7.5, 8.5, 9.5 and 10.5 in hg. 

    High flow (big window valve) for alcohol. Available sizes include: 2.5, 3.5, 4.5, 5.5, 6.5, 8.5, 10.5 in hg.

  • Holley 21-2 LS Accessory Drive Bracket Installation Kit, Middle Align
    Holley 21-2 LS Accessory Drive Bracket Installation Kit, Middle Align
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                Please view the product's page for more information
            
  • Holley 45-224 4150 Electric Choke Conversion Kits
    Holley 45-224 4150 Electric Choke Conversion Kits
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    These kits can be used to convert Holley carburetors which originally came equipped with manually–operated choke or automatic/electric operated choke. 

    Fits carburetor's with "external" vacuum source (Model 0-4412, 0-4776-2, 0-4777-2, 0-4778-2, 0-4779-2, 0-4780-2, 0-4781- 2, 0-6299, 0-6708 and 0-6709).

    427-45224 Instructions (PDF)

  • Holley 135-5 30cc Accelerator Pump Diaphragm
    Holley 135-5 30cc Accelerator Pump Diaphragm
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                Holley accelerator pump diaphragms are available in 30cc (427-1355) or 50cc (427-1357) sizes. For use with gasoline only.
            
  • Holley 12-807 Fuel Pressure Regulator Diaphragm Repair Kit
    Holley 12-807 Fuel Pressure Regulator Diaphragm Repair Kit
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    These genuine Holley diaphragm repair kits will allow you to restore the performance of your high-mileage fuel pressure regulator. With these repair kits, you'll regain the accuracy and performance of the regulator from when it was new.

    This diaphragm repair kit is for 12-803 and 12-804 regulators.

    MFG. Part #: 12-807

  • Holley Chrome Fast Idle Cam Plate
    Holley Chrome Fast Idle Cam Plate
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    Holley offers quality choke service parts for your carburetor.  These fast idle cam plates come in a beautiful chrome finish.

    • Fast idle cam plate
    • Chrome
  • Holley 12-806 Blue Electric Fuel Pump Check Valve Rebuild Kit
    Holley 12-806 Blue Electric Fuel Pump Check Valve Rebuild Kit
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    For servicing of Holley Blue electric fuel pump check valve and filter screen.

    425-12806 Instructions (PDF)

  • Holley 12-811 Rotor and Vane Repair Kit
    Holley 12-811 Rotor and Vane Repair Kit
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                This adjustable rotor and vane kit is a must at the track.  Fits both standard and max pressure Holley electric fuel pumps.
            
  • Holley 12-834 1958-1976 Small Block Chevy Street Fuel Pump
    Holley 12-834 1958-1976 Small Block Chevy Street Fuel Pump
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    These all-new (not rebuilt) mechanical fuel pumps from Holley have a 7-1/2 psi shut-off pressure and deliver 80 GPH. The adjustable lower housing permits fuel ports (1/4" NPT) to be rotated for best fuel line access. Pump fittings not included and offered separately. These pumps are a flash chrome and not show quality.

    • High Output Fuel Flow
    • Flows 80 GPH Free Flow
    • Shutoff Pressure Pre-set 7.5 PSI
    • Fuel Pressure Regulator is Not Required
    • Heavy Duty Construction For Continuous High RPM Operation
    • Fuel Body Casting Can Be Rotated to Accommodate Various Plumbing Situations
    • Inlet & Outlet Tapped For 1/4" NPT

    Holley Pump Tech Info (PDF)

  • Holley 0-4412CT Circle Track 500 CFM 2 Barrel Carburetor
    Holley 0-4412CT Circle Track 500 CFM 2 Barrel Carburetor
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                This 500cfm 4412CT Holly carb shares the hugely  successful features of the original 4412C but with a couple changes  aimed for circle track cars. The choke has been removed but the horn  remains and has been specially calibrated for circle track use. The  4412C Holley carb is easily the most winningest two barrel carburetor on the market  and comes out of the box ready to run. 

    Features:
    • Choke delete
    • Choke horn remains
    • 50cc accelerator pump
    • 1 timed (spark) port, 1 full vacuum, & 1 PCV port
    • The mandated carbs for many oval track racing sanctioning bodies
    • Calibrated specifically for circle track use
  • Holley Retro T-Shirt
    From: $15.99
    Holley Retro T-Shirt
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                Show the world that you care about hot rodding heritage with a retro-style t-shirt from Holley. Available in sizes L-XXL.
            
  • Holley 12-804 Adjustable Fuel Pressure Regulator, 1-4 PSI
    Holley 12-804 Adjustable Fuel Pressure Regulator, 1-4 PSI
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    This Holley universal low pressure fuel regulator is factory-set to 2.7 PSI, but is fully adjustable from 1 to 4 PSI. Use with standard pump only - not recommended for maximum pressure pumps. Fuel pressure regulator includes mounting bracket.

    Regulator has a 3/8" NPT tapped fuel pressure gauge port and requires reducer 617-6157 to install the gauge. Fuel pump regulator has 3/8" NPT inlet/outlet ports.

    427-12804 Instructions (PDF)

  • Holley 36-181 Main Jet Assortment
    $54.99
    $69.99
    Holley 36-181 Main Jet Assortment
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    Includes two each of all Holley jets from sizes #64 - #99. A total of 36 different sizes are provided in a convenient plastic storage box.

    Speedway carries jet sizes from #46 - #100 individually for all your performance needs.

  • Holley 37-1544 4150 4 Barrel Carburetor Rebuild Fast Kit
    Holley 37-1544 4150 4 Barrel Carburetor Rebuild Fast Kit
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    These kits are ideal for a quick refresher of your four barrel Holley carb. Each kit includes step-by-step instructions and a detailed tuning guide. Fits 650 CFM and 750 CFM carburetors.

    427-371544 Instructions (PDF)

  • Holley 116-2 Brass Center Hung Float
    Holley 116-2 Brass Center Hung Float
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                This Holley replacement brass carburetor float is for center hung float bowls.
            
  • Holley 26-102 Nylon Fitting Gasket: 7/8 Inch
    Holley 26-102 Nylon Fitting Gasket: 7/8 Inch
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    • 7/8"
    • Nylon
    • 2 per package
  • Holley Main Jets
    $7.99
    Product Rating: 4.50 Stars
    Holley Main Jets
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                Threaded, easy install and replacement. Available in #45 to #100.
            
  • Holley 0-80457S 4160 600 CFM 4 Barrel Carburetor, Electric Choke
    Holley 0-80457S 4160 600 CFM 4 Barrel Carburetor, Electric Choke
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    Holley's Model 4160 4-barrel carburetors are designed for budget minded enthusiasts and are calibrated for use on stock to mildly modified engines. These classic Holley four barrel carbs feature all metal parts and vacuum secondaries. They have a universal throttle lever and power valve blow-out protection.

    • Vacuum secondaries allow use on wide variety of vehicles
    • Electric choke
    • Single feed fuel inlet
    • Side hung float bowls
    • Power Valve Blow-Out Protection
    • Calibrated for excellent street performance
    • Ford A/T kickdown, does not work with A.O.D. transmissions
    • 1 timed (spark) port, 1 full vacuum, and 1 PCV port
    • Performance upgrade for stock to mildly modified vehicles
    • Universal calibration for easy bolt-on performance
    • “Next Gen” needle & seat design eliminates the need for external float level adjustment

    Holley 600 CFM 4 Barrel Carburetor Installation Instructions (PDF)

  • Holley 36-378 Carburetor Installation & Tuning DVD
    Holley 36-378 Carburetor Installation & Tuning DVD
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    Two hours of everything you ever wanted to know about Holley Carburetors Virtual tours, exploded views, step–by–step under the hood installation including transmission kickdowns, advanced tuning, & troubleshooting. It is interactive, so you can easily find the chapters you need.

    • Virtual tours of 4160 vacuum secondary carbs, 4150 vacuum & mechanical secondary, as well as 4165 & 4175 spread bores.
    • Complete under-hood installation video covering various throttle hook-ups, transmission kick-downs, chokes, quick start tuning initial settings, manifold compatibility etc.
    • Complete advanced tuning section covering every tunable part of a Holley carburetor
    • Trouble shooting section covering bogs, hesitations, cold & hot starting, flooding, misses, backfires, rough idle etc.
    • Additional engine trouble shooting section for issues commonly mistaken as carburetor problems.
    • Bonus section including intake manifold installation & distributor install/ignition hook-up.
    • Glossary of terms & tools sections

     

  • Holley 0-80670 Avenger 670 CFM 4 Barrel Carburetor, Electric Choke
    Holley 0-80670 Avenger 670 CFM 4 Barrel Carburetor, Electric Choke
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    The Holley Street Avenger Model 4150 four barrel carb is the ultimate vacuum secondary street performance upgrade. This 4 barrel carb is street ready right out of the box and features a calibrated electric choke, air and fuel adjustments and built in fuel filters. There are clear sights for easy float adjustments, adjustable vacuum secondaries and four vacuum ports. Plus it has a million mile power valve, is 100% wet flow tested and includes fittings.

    • No Trouble quick change vacuum secondaries - up to 6% more acceleration or 5% better fuel economy with simple spring change (springs included) 
    • Vacuum secondaries allow use on wide variety of vehicles
    • Tuneable fuel metering system
    • Dual feed fuel inlet
    • 1 timed (spark) port, 2 full vacuum, and 1 PCV port
    • Ford A/T kickdown, does not work with A.O.D. transmissions
    • Calibrated for monster low-end torque, awesome acceleration, & unmatched top-end horsepower
    • Bolt on & go design
    • Electric choke

    Holley 670 CFM 4 Barrel Carburetor Installation Instructions (PDF)

  • Holley 12-803 Fuel Pressure Regulator, 2-Port, 4.5-9 PSI
    Holley 12-803 Fuel Pressure Regulator, 2-Port, 4.5-9 PSI
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    These adjustable fuel pressure regulators from Holley can be adjusted from 4-1/2 to 9 PSI to regulate fuel pressure for various types of carburetors. Fuel pump regulator works well with Holley high performance fuel pumps. Use one fuel regulator per fuel bowl for high flow applications.

    This fuel pressure regulator has a 3/8" NPT gauge port and requires reducer 617-6157 to install a fuel pressure gauge.

    427-12803 Instructions (PDF)

  • Holley 12-801-1 97 GPH Red Electric Fuel Pump
    Holley 12-801-1 97 GPH Red Electric Fuel Pump
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    Holley's Red Electric fuel pump is a standard pressure street pump for gas only.  It has a pressure preset of 7 psi and a free flow capacity of 97 gph. It flows 67 gph while maintaining 5 psi. No regulator required. Has a 3/8" NPT inlet and outlet.

    • Tumble polished billet look
    • Improved design for street/strip applications
    • Distinctive "Red" logo
    • Flows 97 GPH (free flow)
    • Flows 71 GPH at 4 PSI
    • Regulator is not required
    • Motor draws only 2 amps current
    • 7-1/2 Amp fuse recommended
    • Provides constant fuel flow with no pulsation
    • Has externally accessible pressure relief valve (max 7 PSI)
    • Rotor/Vane pump design is more tolerant of contaminated fuels
    • New lower housing casting for enhanced fuel flow and quieter operation
    • Weighs only 2.88 lbs.
    • Includes mounting bracket
    • Repair kits are readily available
    • NOT compatible with alcohol or methanol fuels
    • Use of safety shut-off switch strongly recommended
    • Not designed or recommended for use with fuel injection systems
    • 3/8 NPT inlet/outlet

    425-12801 Instruction Sheet (PDF)

    Fuel Pump Tech Info (PDF) 

  • Holley 37-474 2 Barrel 500 CFM Rebuild Kit
    Holley 37-474 2 Barrel 500 CFM Rebuild Kit
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    Each Holley Renew Kit carburetor rebuild kit contains all parts and gaskets that are necessary to restore “like new” performance to your carburetor. Detailed instructions are also included to guide you through the rebuilding process. Start off the season with a quality Holley Renew Kit repair kit. It's your guarantee for trouble–free cruising.

    Fits Holley Model 2300 500cfm two barrel carburetors ONLY.

    • Gaskets
    • O-Rings
    • Pump Diaphragm
    • Needle & Seat
    • Power Valve
    • Instructions

    427-37474 Instruction Sheet (PDF)

  • Weiand Blue Retro T-Shirt
    From: $15.99
    Product Rating: 5.00 Stars
    Weiand Blue Retro T-Shirt
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                Show the world that you care about hot rodding heritage with a retro-style t-shirt from a big name in the industry - Weiand. 
            
  • Weiand Retro T-Shirt
    From: $15.99
    Product Rating: 5.00 Stars
    Weiand Retro T-Shirt
    x
                Show the world that you care about hot rodding heritage with a retro-style t-shirt from Weiand. Available in sizes L-XXL. 
            
  • Holley 20-131 R4 Compressor LS Accessory Drive AC, PS, Alt Bracket Kit
    Holley 20-131 R4 Compressor LS Accessory Drive AC, PS, Alt Bracket Kit
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    These accessory drive brackets from Holley are great when swapping a GM LS engine into a muscle car, truck, hot rod or other vehicle. These brackets were designed to deliver a factory style appearance, correct belt alignment, and factory stability.  Holley's kits supply the required brackets and hardware needed for installation.

    To determine correct application, these three easy steps will help get you going:

    • Step one is to determine your belt alignment based on your crank Pulley position on the engine you have.
    • Step two is to choose the Holley accessory drive brackets that you need (A/C, Alt & P/S or both).
    • Step three is to see which Holley installation kit your set–up requires to line up your accessories with your crank Pulley position. An application specific installation kit (part # 425211, 425212, or 425213) is REQUIRED for most applications.

    Note: When referring to guide links below, keep in mind that part numbers shown are MFG numbers without "425" prefix.

    Fitment and Required Components Guide for 20-131 Bracket Kit (PDF)  

    Assembly Instructions for Holley 20-131 Accessory Drive Kit (PDF)   

  • Holley 0-4777C 4150 Double Pumper 650 CFM 4 Barrel Carb, Manual Choke
    Holley 0-4777C 4150 Double Pumper 650 CFM 4 Barrel Carb, Manual Choke
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    Top off your your engine with an American icon - the Holley Model 4150 Double Pumper. As a staple on hot street cars and race vehicles, this four barrel carburetors dual accelerator pumps provide additional fuel under initial acceleration for awesome tire-turning performance in lighweight vehicles and vehicles with manual transmissions or low gearing. Plus, with mechanical secondaries, your foot directly controls the opening of the secondary throttle blades.

    With features like dual metering blocks, center hung floats, 4-corner idle, and dual fuel inlets, it's no wonder why Holley is #1 in performance fuel delivery.

    • Mechanical secondaries
    • Dual accelerator pumps
    • Manual choke
    • Two corner idle
    • Dual feed fuel inlet
    • Center hung floats
    • 1 timed (spark) port, 1 full vacuum, and 1 PCV port
    • Intended for lightweight vehicles w/ manual trans or automatics with high stall & low gearing

    Holley 650 CFM 4 Barrel Carburetor Installation Instructions (PDF)

  • Holley 37-1542 4160 4 Barrel Carburetor Rebuild Fast Kit
    Holley 37-1542 4160 4 Barrel Carburetor Rebuild Fast Kit
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    These kits are ideal for a quick refresher of your four barrel Holley carb. Each kit includes step-by-step instructions and a detailed tuning guide.

    427-371542 Instructions (PDF)

  • Holley 90633 Hi-Tek Air Cleaner Element
    Holley 90633 Hi-Tek Air Cleaner Element
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                High flow K&N style air cleaner elements. Filter element measures 6-5/8" long, 4-1/2" wide and 2-5/8" thick. 

    Fits 200-64280 Hi-Tek air cleaner.
  • Holley 4776C 4150 Double Pumper 600 CFM 4 Barrel Carb, Manual Choke
    Holley 4776C 4150 Double Pumper 600 CFM 4 Barrel Carb, Manual Choke
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    Top off your your engine with an American icon - the Holley Model 4150 Double Pumper. As a staple on hot street cars and race vehicles, this four barrel carburetor's dual accelerator pumps provide additional fuel under initial acceleration for awesome tire-turning performance in lightweight vehicles and vehicles with manual transmissions or low gearing. Plus, with mechanical secondaries, your foot directly controls the opening of the secondary throttle blades.

    With features like dual metering blocks, center hung floats, 4-corner idle, and dual fuel inlets, it's no wonder why Holley is #1 in performance fuel delivery.

    • Mechanical secondaries
    • Dual accelerator pumps
    • Manual choke
    • Four corner idle
    • Dual feed fuel inlet
    • Center hung floats
    • 1 timed (spark) port, 1 full vacuum, and 1 PCV port
    • Intended for lightweight vehicles w/ manual trans or automatics with high stall & low gearing

    Holley 600 4 Barrel Carburetor Installation Instructions (PDF)

  • Holley 135-9 50cc Accelerator Pump Diaphragm, Alcohol
    Holley 135-9 50cc Accelerator Pump Diaphragm, Alcohol
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                Holley GLFT 50cc accelerator pump diaphragm for use with all alcohol base fuels.
            
  • Holley 302-1 LS Series Retro-fit Oil Pan
    Holley 302-1 LS Series Retro-fit Oil Pan
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    GM's popular LS engines are finding their way into a large variety of vehicles. They make great power, plus they're very durable and reliable. Unfortunately, the factory LS pans don't always fit or they hang too low for today's hot rods. Holley's new LS Retro–fit Engine Oil Pan is designed to help! It provides maximum clearance to the chassis and ground, plus provides an OEM fitment for durability and proper sealing.

    • Provides OEM fitment– OEM oil filter mounting, OEM oil cooler port provision, OEM engine NVH suppression, OEM flange gasket and sealing, proper structural rigidity and OEM bell-housing attachments
    • Traditional high-quality cast aluminum appearance with clean exterior styling
    • Provides maximum clearance to chassis
    • Cast and machined aluminum
    • Complete kit including sump baffle, pick-up tube, sump plug & oil filter stud
    • Fits GM rear wheel drive applications that were originally equipped with a Small Block or Big Block Chevy engine and traditional rear sump oil pan*

    Holley Oil Pan Installation Instructions (PDF)

    Specs Chart (GIF)

  • Holley 12-327-13 Small Block Chevy Racing Mechanical Fuel Pump-130 GPH
    Holley 12-327-13 Small Block Chevy Racing Mechanical Fuel Pump-130 GPH
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    If you are looking for a high flow fuel pump you can depend on night after night, this is it! Holley's high output, heavy duty mechanical fuel pumps are constructed of rugged materials and feature fuel body castings that can be rotated to accommodate various plumbing situations. 3/8" NPT inlet and outlet.

    For use with gasoline only. NOT for use with alcohol.

    • High output fuel flow
    • Heavy duty construction for continuous high RPM performance
    • Six high flow valves ensure adequate and continuous fuel flow
    • Extra beefy steel rocker arm to help withstand severe race usage
    • Inlet & outlet tapped for 3/8" NPT

    Holley Pump Tech Info (PDF)

  • Holley 34-25 Quick Change Primary Float Bowl
    Holley 34-25 Quick Change Primary Float Bowl
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                Update your Holley 4150/4160 carb with quick change float bowls. Includes gaskets and plugs. For center hung float bowl. Also includes jet driver. 

    NOTE: Primary and secondary bowls are not interchangeable!

    425-3425 Instruction Sheet (PDF)

  • Holley 36-182 4150 Carb Tuning-Calibration Kit
    Holley 36-182 4150 Carb Tuning-Calibration Kit
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    This tuning kit contains a selection of main jets, pump nozzles and power valves in popular sizes. All contained in a handy and durable plastic case. Gaskets are included to facilitate carburetor reassembly.

    For gasoline carbs only. Fits Model 4150 "Double Pumper" carburetors.

    • 4 Each - 8 Metering Jet Sizes ranging from #70-84
    • 2 each #35 and # 37 pump nozzles
    • 3 Power Valves sizes 3.5, 4.5 and 5.0
    • 12 Metering Block Gaskets
    • 12 Fuel Bowl Gaskets
    • Misc. Pump Nozzle
    • Misc. Power Valve
    • Misc. Fuel Bowl Screw, pump nozzle and power valve Gaskets
  • Holley 37-1536 Performance Carburetor Renew Rebuild Kit
    Holley 37-1536 Performance Carburetor Renew Rebuild Kit
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    Each Holley Renew Kit carburetor rebuild kit contains all parts and gaskets that are necessary to restore “like new” performance to your four barrel carburetor. Detailed instructions are also included to guide you through the rebuilding process. Start off the season with a quality Holley Renew Kit repair kit. It's your guarantee for trouble–free cruising.

    • Serves all Holley Performance Carburetors
    • Genuine Holley quality parts
    • Extra parts for performance tuning
    • Step-by-step instructions
    • Detailed tuning guide
    • Packaging also parts tray
    • Includes:
      • Gaskets
      • O-Rings
      • Pump Diaphragm
      • Needle & Seat
      • Power Valve 
      • Step-By-Step Instructions
      • Detailed Tuning Guide

    427371536 Carb Rebuild Manual (PDF)

    427371536 Carb Exploded View (PDF) 

    427371536 Carb Kit Specifications (PDF) 

    427371536 Carb Addendum (PDF) 

  • Holley 37-485 4150 4 Barrel Carburetor Rebuild Renew Kit
    Holley 37-485 4150 4 Barrel Carburetor Rebuild Renew Kit
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    These kits give you the parts required to bring your Holley four barrel carb back to original specifications and "like new" condition. The Renew Kit package includes new gaskets, O-rings, pump diaphragms, needle and seats, power valves, and a detailed instruction sheet to take you step-by-step through the rebuilding process. 

    427-37485 Instructions (PDF)

  • Holley 37-1539 4150 4 Barrel Alcohol Carburetor Rebuild Master Kit
    Holley 37-1539 4150 4 Barrel Alcohol Carburetor Rebuild Master Kit
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    Each Holley Renew Kit carburetor rebuild kit contains all parts and gaskets that are necessary to restore “like new” performance to your four barrel carburetor. Detailed instructions are also included to guide you through the rebuilding process.

    Kit includes: 

    • Gaskets
    • O-Rings
    • Pump Diaphragms
    • Needle & Seats
    • Power Valves
    • Step-By-Step Instructions
    • Detailed Tuning Guide

    427-71539 Instructions (PDF)

  • Holley 0-86770HB Ultra Street Avenger 770 CFM 4 Barrel Carburetor
    Holley 0-86770HB Ultra Street Avenger 770 CFM 4 Barrel Carburetor
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                Please view the product's page for more information
            
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