Bill Smith
Founder, 1929-2014
Speedy Bill
Since 1952
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Shop AFCO At Speedway Motors

AFCO racing and performance parts began over 30 years ago with a simple need for better suspension. Today, they’re a manufacturer known for leading the industry with new, innovative and winning engineered parts for racing and performance suspension, exhaust, brakes and cooling.  Three decades of working closely with racers and tuners, and working countless hours on testing at tracks with customers has yielded a team focused on delivering superior performance, quality, and value in every product they produce.  If you want the absolute best, you want AFCO performance parts.

Featured Products
  • AFCO 6690001 Brake Bias Adjuster, 5 Ft Long
    AFCO 6690001 Brake Bias Adjuster, 5 Ft Long
    (Part #1066690001)
    x
                

    Balance bar adjuster cable. Enables the driver to easily adjust the brake bias. For use with dual master cylinders. This adjuster has a 5' long flexible cable.

    • Highly visible bright knob
    • Bi-directional detent control which provides the driver with positive adjustment feedback
    • 5' long, may be shortened

     

  • AFCO 100002 High Performance Coolant Additive - 16 oz.
    AFCO 100002 High Performance Coolant Additive - 16 oz.
    (Part #106100002)
    x
                
    AFCO's specially formulated High Performance Coolant Additive is race tested and proven to lower operating temperatures. It is safe for hoses and water pump seals as well as protect against rust, corrosion, and foaming. Lasts up to 12 months.
    • Specially formulated
    • Race tested and proven
    • Lowers operating temperatures
    • Protects against rust, corrosion, and foaming
    • Safe for hoses and water pump seals
    • Lasts for up to 12 months

    Learn more about how cooling systems work and proper coolant mixture by reading our tech article. Cooling System Principles.  

  • Afco 6651022 SR34 Compound Brake Pad for F88/SL Caliper
    New
    Afco 6651022 SR34 Compound Brake Pad for F88/SL Caliper
    (Part #1066651022)
    x
                

    Afco proudly offers its SR34 Compound Brake Pad for F88/SL style calipers. These brake pads have gone through extensive development and testing in the toughest racing environments. Their racing brake pads are derived from the latest materials in friction products and utilize the latest technologies in brake pad manufacturing. The SR34 compound was designed to improve stopping power over the standard C2 compound for rear dirt cars and front asphalt cars. The higher temperature range (200°-600°) make this pad very versatile and resistant to fade while at the same time it gives you a heavy grip pad with reduced rotor wear.

    These AFCO Brake Pads fit in a F88 or SL style caliper. The SR30 compound was developed for the right fronts of dirt cars where low grip is needed to help build bias in the front brake system and help the car turn better when you have to use 4 wheel brakes. - See more at: http://www.afcodynapro.com/store?search_api_views_fulltext=6651002#sthash.sUZa4K8s.dpuf
    • Improved stopping power
    • High torque with excellent control qualities
    • Exceptional high temperature performance
    • User friendly/easy break-in
    • Exceptional pad and rotor wear
    • Made in the U.S.A.
  • AFCO 10183 Hood Pin Flip Clip, 3/16 Inch
    AFCO 10183 Hood Pin Flip Clip, 3/16 Inch
    (Part #10610183)
    x
                AFCO Hood Pin Components
            
  • AFCO 9850-6505 10 Inch Hybrid Brake Rotor for Pinto
    AFCO 9850-6505 10 Inch Hybrid Brake Rotor for Pinto
    (Part #10698506505)
    x
                

    This brake rotor combines the strength of a '75-'81 Ford-style hub (Granada) with the lighter design of the metric brake rotor for an unbeatable lightweight and durable package.  AFCO engineers designed this rotor with the latest CAD software and testing methods.  Manufactured to withstand rigorous racing environments, the AFCO Hybrid Rotor uses totally new castings designed and built specifically for racing.  It will remove up to 12 lbs. of sprung weight on the front of your car to improve front to rear weight bias and wheel control.

    • Uses GM metric caliper
    • Ford '74-'80 Pinto Spindle
    • Strong and Lightweight
    • Safely remove up to 13 lbs from the front of your car vs stock rotor
    • 14.8# total rotor weight with 5/8" studs
    • 10.13" diameter
    • .813" thickness (pad spacer recommended)

    Instructions (PDF) 

  • AFCO 80312-15 Chevy Aluminum Thermostat Housing, 15 Degree Neck
    AFCO 80312-15 Chevy Aluminum Thermostat Housing, 15 Degree Neck
    (Part #1068031215)
    x
                

    These thermostat housings are die-cast, polished aluminum. The O-ring sealed water neck rises at a 15° angle and can be rotated 360° for best possible radiator hose access. Includes hardware. 

    Fits all Chevy V8's 1955-86, and accepts normal GM thermostats and 1-1⁄2" I.D. hoses.

  • AFCO 9851-8551 Hybrid Rotor Master Install Kit
    AFCO 9851-8551 Hybrid Rotor Master Install Kit
    (Part #10698518551)
    x
                AFCO Hybrid Brake Rotor Accessories
            
  • Afco 80185NDP-U Lightweight Double Pass Radiator -20AN Inlet 1-3/4 Inch Outlet
    New
    Afco 80185NDP-U Lightweight Double Pass Radiator -20AN Inlet 1-3/4 Inch Outlet
    (Part #10680185NDPU)
    x
                

    Check out these new lightweight double pass radiators for dirt late models from Afco. These double pass radiators were designed to shave 10lbs. off the weight of your car. Its new 1.5" thick core improves air-flow through the core.

    • 100% pressure tested
    • Optimum fin per inch ratio for maximum cooling
    • Inlet -20AN
    • Standard water pressure bung for easy plumbing
    • TIG welded - No epoxy

    Specs:

    • Overall Height: 20"
    • Core Width: 24"
    • Tank Height: 18-5/8"
    • Tank Width Top: 27-1/2"
    • Tank Width Bottom: 27-1/2"
    • Tank Thickness: 2"
    • Filler Location: Left
    • Inlet Size and Location: -20AN Right
    • Outlet Size and Location: 1-3/4" Right
    • Outlet Angle Up/In: 15°/15°
    • Dry Weight: 10 lbs.

    Learn more about how radiators work and selecting the proper radiator for your vehicle by reading our tech article. Radiator Cooling Performance.  

     

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  • AFCO 16 Series Small Threaded Twin Tube Shock, Alum 7 In. Comp/Reb-4/3
    AFCO 16 Series Small Threaded Twin Tube Shock, Alum 7 In. Comp/Reb-4/3
    (Part #10616743)
    x
                

    Precise, consistent and dependable control is what makes the AFCO R-Series Shocks winners.  These shocks have maintained their ability to provide the highest levels of performance from a fixed valve twin-tube shock by evolutionary improvements in production methods and component design.  Today, AFCO R-Series Rebuildable shocks are better than ever and are set to provide you with the "just right" set-up you need to win.

    All AFCO R-Series Shocks are 100% dyno tested, rebuildable, and revalvable.  AFCO Shocks are built to the highest standards in the industry.  In-house manufacturing means that they have total control over production tolerances and quality.  Their production system ensures that when you buy an AFCO shock, you have bought the best! 

    • Compressed Length: 12.59"
    • Extended Length: 19.69"
    • Threaded Body

    Dirt Midget Non-Wing Gas and Twin Tube Shock Chart (Link)  

  • AFCO A550070138X Small Body Replacement Shaft Assembly, 8 Inch
    AFCO A550070138X Small Body Replacement Shaft Assembly, 8 Inch
    (Part #A550070138X)
    x
                

    Replacement shaft assemblies for AFCO Small Body shocks.

    NOTE: New shim stack design.

  • Racewise RWREAR Rear Suspension Geometry Software
    Racewise RWREAR Rear Suspension Geometry Software
    (Part #106RWREAR)
    x
                Stop guessing and start winning - learn the facts of rear suspension geometry with this informative CD-ROM computer software. Now you can get all the Racewise Chassis School material in an easy-to-use software program for your home computer. Racewise  provides the technical understanding of suspension and tire performance  that racers must have in order to make “no guesswork” decisions  regarding chassis setup, handling analysis and adjustments.
    • For solid axle rear suspensions (except leaf sprung cars)
    • Allows Roll and Bump or Rebound Suspension Movements
    • Use to Analyze All Popular Oval Track Coil Spring Rear Suspensions
    • Computes/Reports All Critical Rear Suspension Factors:
      • Drive Angle
      • Roll Steer
      • Indexing
      • Spring & Shock Travel
      • Lateral Axle Movement
      • 5th Coil Trave/Axle Wrap
    • 3 years in-field development
    • Designed to trach suspension with specific hands-on lessons and includes fully illustrated handbook and help files
    • Realistic,on-screen, multi-angle suspension views
    • Provides immediate analysis of adjustments from simple to complex with numerical and graphical representations
    • Full, 3-Dimensional accuracy
    • Compatable with Windows 95, 98, ME, 2000, NT, XP, Vista, and 7
    • For all forms of racing!
  • AFCO 6690110 3/4 Inch Master Cylinder Rebuild Kit, Post January 2013
    AFCO 6690110 3/4 Inch Master Cylinder Rebuild Kit, Post January 2013
    (Part #1066690110)
    x
                

    AFCO 3/4" master cylinder rebuild kit for AFCO master cylinders manufactured after January 2013

    Racer Note: Master cylinder bores are built with close tolerances. Stroking the master cylinder dry can cause damage to the internal rubber seals causing leaks, soft pedal, and lack of pressure. Never clean a master cylinder with carburetor cleaner or similar products as they will cause seal damage.

    Racer Note: When rebuilding brake master cylinders and calipers, always lubricate internal parts with brake assembly fluid before installation.
    This will keep seals and o-rings from becoming damaged by dry cylinder walls and pistons.

    Instructions (PDF) 

  • AFCO 5135050 51 Series Quarter Midget Shock & Cone-Progressive 5 Valve
    AFCO 5135050 51 Series Quarter Midget Shock & Cone-Progressive 5 Valve
    (Part #1065135050)
    x
                

    Afco 51 Series Quarter Midget shocks feature a low drag seal system while utilizing a hardened chrome shaft. Engineered with deflective disk and shim stack technology as well as having the lowest rod pressure in the industry makes this shock stand above the rest. The shocks are owner rebuildable, serviceable and revalveable.

    • Chrome shaft
    • Low drag seal system
    • Lowest rod pressure in the industry
    • Deflective disk, shim stack technology
    • Owner rebuildable
    • Short spring cone
    • Stroke - 2.5"
    • Compressed Length - 7.70"
    • Extended Length - 10.20"

    Tuning Guide (PDF)

  • AFCO 100130 Precision Pinto Spindle, Right Hand Side
    AFCO 100130 Precision Pinto Spindle, Right Hand Side
    (Part #106100130)
    x
                AFCO's precision pinto spindle program has been  engineered to  provide precise, dimension perfect spindles to chassis  builders and  racers alike. When replacing a crashed precision spindle  from AFCO, you  can be assured that your front end geometry will not  change.
    • CNC Blue Printed to stock dimensions to be the same every time
    • Ball joint tapers CNC machined to align with each other
    • Ball joint axis CNC machined to align with spindle axis
    • Promotes precise front end geometry
    • Right hand side ONLY
    • Not IMCA approved
  • AFCO Silver 58 Series Gas Bulb Shocks, IMCA Approved
    AFCO Silver 58 Series Gas Bulb Shocks, IMCA Approved
    (Part #10658)
    x
                

    AFCO Silver 58 Series Bulb Shocks feature a bulb design for reduced gas pressure gain and increased feel for worry-free racing.

    • Ultra-strong DURox chrome shaft
    • Owner serviceable
    • Easily tuned for any track condition
    • Without base valve, IMCA approved

    Tuning Guide (PDF)

  • AFCO 1923 T-Bucket Aluminum Radiator, Chevy Engine
    AFCO 1923 T-Bucket Aluminum Radiator, Chevy Engine
    (Part #10680167)
    x
                Please view the product's page for more information
            
  • AFCO 20020K OEM Tubular Arm Bushing Kit
    AFCO 20020K OEM Tubular Arm Bushing Kit
    (Part #10620020K)
    x
                OEM Tubular Arm Bushing Kit

    UMP Approved

  • Afco 51 Series 4 Inch Quarter Midget Shock w/ Schrader Valve, 2.5 Inch
    Afco 51 Series 4 Inch Quarter Midget Shock w/ Schrader Valve, 2.5 Inch
    (Part #1060514)
    x
                Please view the product's page for more information
            
  • Afco 13T Twin Tube Shock Replacement Parts, 5 Hole Plate
    Afco 13T Twin Tube Shock Replacement Parts, 5 Hole Plate
    (Part #A550090202X)
    x
                

    Replacement parts for AFCO 13T Twin Tube shocks. 

    If you are having trouble locating parts please use the exploded view link below.

    Exploded View/Components list (PDF)

  • AFCO 6630040 F88 Forged Aluminum Caliper, 1.25 Rotor, 1-3/4 Pistons
    AFCO 6630040 F88 Forged Aluminum Caliper, 1.25 Rotor, 1-3/4 Pistons
    (Part #1066630040)
    x
                AFCO set out in 2012 to take their market leading  caliper to the next level. The previous billet calipers have been  winning races over the last 10 years. With race technology improving  over the years, they knew it was time to revolutionize their caliper  line. After testing the new calipers all summer with multiple wins and  over 5000 laps in some of the most punishing conditions, they are proud  to provide their customers with the best calipers in racing. Many racers  think that brakes don't matter and all calipers are created equal, but  we know from testing that these calipers help win races!
    • Stiffest caliper on the market
    • Less brake heat
    • Extra wheel clearance
    • Universal mounting
    • Forged 6061 aluminum construction
    • 1/8" NPT inlet port
    • Speed bleeders installed for quick and easy maintenance
    • Heavy duty steel bridge bolts add 10% increase in stiffness
    • Internal brake fluid passages
    • Billet pistons with hard coat anodizing
    • 3-1/2" mount spacing
    • For 1.25" thick rotors
    • 1-3/4" piston
  • AFCO 29145-4 Quarter Midget Coil-Over Spring, 1-5/8 ID, 4 Inch, 145 Lb
    AFCO 29145-4 Quarter Midget Coil-Over Spring, 1-5/8 ID, 4 Inch, 145 Lb
    (Part #106291454)
    x
                
    • Ultra lightweight coil spring
    • Tightest tolerance
    • Maximum stroke
    • Consistent rate through full range of travel
    • Guaranteed to maintain within 2% free height for a lifetime
  • Afco 6651002 SR30 Compound Brake Pads for F88/SL Caliper
    New
    Afco 6651002 SR30 Compound Brake Pads for F88/SL Caliper
    (Part #1066651002)
    x
                

    Afco proudly offers its SR30 Compound Brake Pad for F88/SL Caliper. These brake pads have gone through extensive development and testing in the toughest racing environments. Their racing brake pads are derived from the latest materials in friction products and utilize the latest technologies in brake pad manufacturing. The SR30 compound was developed for the right fronts of dirt cars where low grip is needed to help build bias in the front brake system and help the car turn better when you have to use 4 wheel brakes.

    These AFCO Brake Pads fit in a F88 or SL style caliper. The SR30 compound was developed for the right fronts of dirt cars where low grip is needed to help build bias in the front brake system and help the car turn better when you have to use 4 wheel brakes. - See more at: http://www.afcodynapro.com/store?search_api_views_fulltext=6651002#sthash.sUZa4K8s.dpuf
    • Improved stopping power
    • High torque with excellent control qualities
    • Exceptional high temperature performance
    • User friendly/easy break-in
    • Exceptional pad and rotor wear
    • Made in the U.S.A.

     

     

  • AFCO 200036 Camaro Roller Bearing Leaf Spring Slider
    AFCO 200036 Camaro Roller Bearing Leaf Spring Slider
    (Part #106200036)
    x
                
    • Use in place of leaf spring shackles
    • Roller bearing design prevents binding
    • Frees up car during suspnesion movement
    • Pre-drilled holes for bolt-on application
    • Designed specifically for Camaro oval track racing leaf springs
  • AFCO Direct Fit 1963-66 Falcon/Comet/Mustang Radiators, Pass. Side Outlet
    AFCO Direct Fit 1963-66 Falcon/Comet/Mustang Radiators, Pass. Side Outlet
    (Part #10680276)
    x
                

    AFCO's Direct Fit Aluminum radiators will bolt directly into your Ford Falcon, Mercury Comet, or Ford Mustang with no hassles. AFCO ensures that the bolt holes will line up, cooling lines are in the proper locations, and OEM fan shrouds and accessories bolt up with ease. Plus, with two rows of 1" cores perfectly matched to the application, this unit has the capacity to cool HiPo Small Blocks (even with a power adder!).

    For 1963-1966 Falcon/Comet/Mustang w/ V-8 engine.

    • Core Thickness:  2-1/4"
    • Inlet Diameter:  1.5" O.D.
    • Outlet Diameter: 1.75" O.D.
    • Brass Drain Cock Fitting:  1/4" NPT (included)
    • Transmission Cooler Ports:  1/4" NPT
    • Filler Neck Hose Barb:  1/8" Straight (included)
    • 100% Aluminum construction (no epoxy)
    • Furnace Brazed Core - 2 rows of 1" tubes
    • Tanks are made of .080” 3003 aluminum for strength and durability
    • TIG welded by skilled craftsmen in the USA
    • Factory fan shroud provisions
    • Inlets and outlets are factory-style and in stock locations
    • Factory pressure-tested
    • Billet filler necks feature screw-in bleed – won't crack or leak with age

    Instructions (PDF)

    Learn more about how radiators work and selecting the proper radiator for your vehicle by

  • AFCO 1662.5 16 Series Small Threaded Twin Tube Shock-6 In-Comp 2/Reb 5
    AFCO 1662.5 16 Series Small Threaded Twin Tube Shock-6 In-Comp 2/Reb 5
    (Part #10616625)
    x
                

    Precise, consistent and dependable control is what makes the AFCO R-Series Shocks winners.  These shocks have maintained their ability to provide the highest levels of performance from a fixed valve twin-tube shock by evolutionary improvements in production methods and component design.  Today, AFCO R-Series Rebuildable shocks are better than ever and are set to provide you with the "just right" set-up you need to win.

    All AFCO R-Series Shocks are 100% dyno tested, rebuildable, and revalvable.  AFCO Shocks are built to the highest standards in the industry.  In-house manufacturing means that they have total control over production tolerances and quality.  Their production system ensures that when you buy an AFCO shock, you have bought the best!

    • Compressed Length: 11.59"
    • Extended Length: 17.69"
    • Threaded Body

    Dirt Micro Wing/Non-Wing Gas and Twin Tube Shock Chart (Link) 

  • AFCO 6620112 Remote Reservoir Master Cylinder, 1 Inch Bore
    AFCO 6620112 Remote Reservoir Master Cylinder, 1 Inch Bore
    (Part #1066620112)
    x
                These new remote reservoir master cylinders from AFCO feature an  external return spring that maintains positive pedal  feel and helps  prolong pad life by ensuring quick reaction to released  pedal force.   Its slim design rubber boot allows easy installation into most pedal  assemblies with common dual-mounting bolt patterns.
    • External return spring maintains positive pedal feel and helps prolong pad life by ensuring quick reaction to released pedal force
    • Slim design rubber boot allows easy installation into most pedal assemblies
    • Common dual-mounting bolt patterns for most racing applications
    • 1" bore
    • Designed for standard 1/8" NPT fittings for easy replacement
    • Aluminum bore design with hard anodized piston

    Learn more about selecting the proper master cylinder for your vehicle by reading our tech article. Brake System Selection.

  • AFCO 80280PRO Shelby GT500 Heat Exchanger w/ Fans
    AFCO 80280PRO Shelby GT500 Heat Exchanger w/ Fans
    (Part #10680280PRO)
    x
                

    Cooler intake temperatures mean more power. It's just that simple. While the factory supercharger cooling system is adequate in stock configuration, it struggles to keep up with the multitude of popular modifications that not only deliver more power, but also increase the stress and strain on the engine. AFCO's Heat Exchaners will regain lost horsepower by more effectively cooling intake temperatures, creating a more dense intake charge versus stock. This is critical in controlling detonation in a supercharged application.

    • Optimized core technology for greater air flow
    • Drops inlet temps to near ambient while under boost
    • 100% Aluminum TIG-welded construction - NO EPOXY
    • Direct Fit bolt-in installation - NO cutting & NO drilling required
    • Installs with simple hand tools in approximately 30 mins.
    • Consistent Performance - keeps coolant temp stable, pass after pass

    Suitable for both drag and street use. Provides a 60-70° F drop in intake temperatures.

    Pro Series exchanger features dual 10" SPAL fans with wiring harness and relay. It provides 350% more cooling area than stock.

    10680280PRO Instructions (PDF) 

  • Afco 6690292 Replacement Piston for 1.38 Inch F88 Forged Alum. Caliper
    Afco 6690292 Replacement Piston for 1.38 Inch F88 Forged Alum. Caliper
    (Part #1066690292)
    x
                

    These replacement pistons are intended to service your F88 forged aluminum AFCO calipers with a 1.38" bore. 

    • For F88 AFCO forged aluminum calipers
    • 1.38" bore
    • Billet pistons feature hard coat anodizing that provides great wear resistance and long life
    • Includes: Replacement piston

    Racer Note: Racing brake calipers, if properly maintained, can generally be used for several racing seasons. Frequent replacement of the caliper pistons and seals will increase caliper life and performance.

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