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Speedy Bill
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Shop Holley Products At Speedway Motors

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.

Featured Products
  • Holley 7223 Dual Quad Enderle Style Air Scoop
    Holley 7223 Dual Quad Enderle Style Air Scoop
    (Part #4257223)
    x
                

    Enjoy classic styling while funneling more air to your carburetors. These scoops are a high quality polished casting with greater frontal area to increase air intake. They offer adjustable bases and ball bearing butterflies for smooth operation. Includes all hardware and air cleaners.

    • High Quality Polished Casting
    • Greater Frontal Area
    • Increases Air Intake
    • Adjustable Bases
    • All Hardware Included
    • Includes Air Cleaners
    • Dimensions: 20.5" x 13.3" x 4.8"

    425-7223 Instructions (PDF)

  • Holley 20-133 RF Compressor LS Acc Drive Brackets, Pass. Side AC
    Holley 20-133 RF Compressor LS Acc Drive Brackets, Pass. Side AC
    (Part #42520133)
    x
                

    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 20-133 Bracket Kit (PDF)  

    Assembly Instructions for Holley 20-133 Accessory Drive Kit (PDF)   

  • Holley 302-1 LS Series Retro-fit Oil Pan
    $371.99
    $419.99
    Product Rating: 5.00 Stars
    Holley 302-1 LS Series Retro-fit Oil Pan
    (Part #4253021)
    x
                

    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 Main Jets
    $7.99
    Product Rating: 4.50 Stars
    Holley Main Jets
    (Part #427122)
    x
                Threaded, easy install and replacement. Available in #45 to #100.
            
  • Holley 20-132 LS Accessory Drive Bracket-ALT, P/S, A/C
    Holley 20-132 LS Accessory Drive Bracket-ALT, P/S, A/C
    (Part #42520132)
    x
                Holley is pleased to offer simple, clean, cost effective solutions that solve the accessory drive challenges encountered 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.

    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.

    Holley LS Accessory Fitment Guide (Link)

    Holley LS Accessory/Crank Pulley Guide (Link) 

    Fitment and Required Components Guide for 20-132 Bracket Kit (PDF)  

    Instructions for 211 (PDF) 

    Instructions for 212 (PDF) 

    Instructions for 213 (PDF)  

    42520132 Assembly Instructions (PDF)   

     

  • Holley Retro T-Shirt
    From: $14.99
    Product Rating: 5.00 Stars
    Holley Retro T-Shirt
    (Part #4251000)
    x
                Show the world that you care about hot rodding heritage with a retro-style t-shirt from Holley. Available in sizes L-XXL.
            
  • Holley 21-3 LS Acc Drive Bracket Install. Kit, Long, Long Style Pump
    Holley 21-3 LS Acc Drive Bracket Install. Kit, Long, Long Style Pump
    (Part #425213)
    x
                These Holley accessory drive installation kits provide proper spacing  for Holley A/C, P/S & Alt accessory drive brackets, so belts ride  at the perfect distance on your particular engine. 

    A Fitment And Required Components Guide helps you locate and source components and provides other notes and helpful hints to figure your distance. Three easy steps will 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.

    Holley Accessory Drive Bracket Fitment Matrix (Link)

    How to Choose Guide for Holley Accessory Drive Bracket Kits (Link)

    Installation Kit for Holley LS Middle Alignment Accessory Drive Bracket Kits (PDF)  

  • Holley 242-1 B/B Chevy Replica LS Coil Covers
    Holley 242-1 B/B Chevy Replica LS Coil Covers
    (Part #4252421)
    x
                

    Do you own a vehicle with an LS based engine, but love the looks of a big–block Chevy? These coil covers from Holley are equally at home on a 2010 Camaro or a LS swap muscle car, truck or any ride needing to cover the factory LS coils. They're ready to paint so use your imagination! The covers are easily installed by using basic hand tools. Just replace a few coil bracket mount bolts with the included ball studs and snap the covers in place.

    • Cover those unsightly coil packs on your GM LS engine
    • Ultra lightweight glass-filled nylon composite construction
    • Paint to match your color scheme
    • Trim to fit your application
    • OEM-style snap-on mounting
    • Oil fill adaptor and cap included
    • Fits LS2, LS3 & LS7 engines as well as other LS family engines using LS3 style coils & valve covers

    Note: Coil cover may require minor trimming on typical hot rod or swap application. Use on OE applications may require more extensive trimming to clear factory componentry (A/C box, brake booster, front drive accessories etc.).

    425-2421 Instructions (PDF)

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  • Holley 0-80670 Avenger 670 CFM 4 Barrel Carburetor, Electric Choke
    Holley 0-80670 Avenger 670 CFM 4 Barrel Carburetor, Electric Choke
    (Part #42580670)
    x
                

    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 302-1 LS Series Retro-fit Oil Pan
    $371.99
    $419.99
    Product Rating: 5.00 Stars
    Holley 302-1 LS Series Retro-fit Oil Pan
    (Part #4253021)
    x
                

    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 20-132 LS Accessory Drive Bracket-ALT, P/S, A/C
    Holley 20-132 LS Accessory Drive Bracket-ALT, P/S, A/C
    (Part #42520132)
    x
                Please view the product's page for more information
            
  • 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
    (Part #425123272)
    x
                

    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
    (Part #4253425)
    x
                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
    (Part #42736182)
    x
                

    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
    (Part #427371536)
    x
                

    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
    (Part #42737485)
    x
                

    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
    (Part #427371539)
    x
                

    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
    (Part #42586770)
    x
                Please view the product's page for more information
            
  • Holley 17-14   5.125 x .75 Inch Air Cleaner Spacer
    Holley 17-14 5.125 x .75 Inch Air Cleaner Spacer
    (Part #4251714)
    x
                

    These air cleaner to carburetor spacers are perfect for fitting your air cleaner to a Street Demon carburetor.  They also allow you to raise the filter up for additional clearance.

    • Air cleaner to carb spacer
    • Durable construction 
    • .75 x 5.125 Inch
  • Holley 37-1544 4150 4 Barrel Carburetor Rebuild Fast Kit
    Holley 37-1544 4150 4 Barrel Carburetor Rebuild Fast Kit
    (Part #427371544)
    x
                

    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 0-7448 350 CFM Gas 2 Barrel Carburetor
    Holley 0-7448 350 CFM Gas 2 Barrel Carburetor
    (Part #4257448)
    x
                

    Holley Model 2300 two barrel carburetors are great for improving or updating many stock Chrysler and Ford car and truck applications. The 350 CFM 2 barrel carburetor is ideal for small blocks. It features a manual choke, center hung float bowl, universal throttle lever, power valve blow-out protection, blue non-stick gaskets, and Fort A/T kickdown.

    • Power Valve Blow-out Protection for trouble-free operation
    • Manual choke
    • Center Hung Float bowl
    • Factory set 30cc accelerator pump for excellent off-idle performance
    • Ford A/T kickdown, does not work with A.O.D. transmissions
    • Dichromate finish for a classic, period look that will last

    Holley 350 CFM 2 Barrel Carburetor Installation Instructions (PDF)

  • Holley 0-76750HB 750 CFM Ultra Double Pumper 4 Barrel Carb
    Holley 0-76750HB 750 CFM Ultra Double Pumper 4 Barrel Carb
    (Part #42576750)
    x
                

    The new Ultra Double Pumper four barrel carburetors have an enhanced fuel curve for optimum performance, with many more features such as aluminum construction; Hard Core Gray™ finish w/ black anodized billet aluminum metering blocks and base plate; 4 corner idle for precise idle control; mechanical secondaries for great performance; clear fuel level sight plugs for easy, no mess fuel level adjustments; Ford automatic transmission kickdown for use on popular Ford transmissions; four vacuum ports for all necessary vacuum accessories; and for the first time on a Double Pumper, factory pre–set electric choke for easy, fast cold start–ups.

    • ULTRA light – aluminum construction for 36% weight savings
    • ULTRA strong – billet metering blocks & base plates
    • ULTRA cool – Hard Core Gray™ w/ black anodized billet aluminum metering blocks and base plate
    • ULTRA easy – built in sight window for simple float adjustments
    • ULTRA fast – high performance fuel curves

    Holley Double Pumper Carburetor Installation Instructions (PDF)

  • Holley 0-80787-1 Keith Dorton HP 350 CFM Gas 2 Barrel Carburetor
    Holley 0-80787-1 Keith Dorton HP 350 CFM Gas 2 Barrel Carburetor
    (Part #42780787)
    x
                This is the top of the line two barrel carb.  The famed carb guru, Keith Dorton, designed and massaged this two barrel carb to give you maximum performance.  Race ready features include: 

     

    • Purpose built for short track racing.
    • No choke provisions provides smoother airflow.
    • No vacuum or PCV holes.
    • 30 cc accel. pump for smoother "off the corner" use.
    • Power valve blowout protection
    • Button head throttle plate screws are loctited.
    • Screw-in air bleeds for precise tuning.
    • HP metering block for strength.
    • Factory flowed to insure quality.
    • Reusable fuel bowl screw gaskets.
    • Throttle shaft hole plugged to eliminate leaks.
    • Stainless steel throttle plates with air bypass holes for smooth idle.
    • All bore, throttle plate, venturi & critical sizes are to factory spec.
    • Welded throttle lever and shaft.
    Holley 2 Barrel Carb Installation Instructions (PDF)
  • Holley 116-2 Brass Center Hung Float
    Holley 116-2 Brass Center Hung Float
    (Part #4271162)
    x
                This Holley replacement brass carburetor float is for center hung float bowls.
            
  • Holley 37-720 Renew 4 Barrel Carb Rebuild Kit, Model 4160, 390 CFM
    Holley 37-720 Renew 4 Barrel Carb Rebuild Kit, Model 4160, 390 CFM
    (Part #42737720)
    x
                

    Rebuild kit for Holley Model 4160 four barrel 390 CFM carburetor.

    427-37720 Instructions (PDF)

  • Holley 0-80570 Avenger 570 CFM 4 Barrel Carburetor, Electric Choke
    Holley 0-80570 Avenger 570 CFM 4 Barrel Carburetor, Electric Choke
    (Part #42580570)
    x
                

    The Holley Street Avenger Model 4150 four barrel carb is the ultimate vacuum secondary street performance upgrade. This four 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 Carb Installation Instructions (PDF)

  • Holley Wedged Float for Secondary Bowl
    $23.99
    $34.99
    Holley Wedged Float for Secondary Bowl
    (Part #42711614)
    x
                Made specially for the circle track carb. The fuel rides up the wedge and does not shut the fuel off sooner than it should.
            
  • Holley 10829-5 4150 Metering Block Gasket
    Holley 10829-5 4150 Metering Block Gasket
    (Part #42710829)
    x
                For Holley double pumper carbs. Package of five gaskets.
            
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