Bill Smith
Founder, 1929-2014
Speedy Bill
Since 1952
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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.

"AFCO Suspension" Page 1 of 25

  • AFCO 1682-48S Small, Rebound Adjustable Smooth, 8 Inch, Comp 2/Reb 4-8
    AFCO 1682-48S Small, Rebound Adjustable Smooth, 8 Inch, Comp 2/Reb 4-8
    (Part #106168248S)
    x
                
    • Twin-tube design for traction in the slickest of track conditions
    • Rebound changes will not affect compression
    • Shim stack technology in a lightweight small-body design
    • Smooth body for non-coilover applications
    • Rebuildable and repairable
    • 1.68" O.D.
    • Compressed length = 13.59"
    • Extended length = 21.69"
  • 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.

  • AFCO 3840C 4 Inch Double Adjustable Coilover Shock w/o Spring
    AFCO 3840C 4 Inch Double Adjustable Coilover Shock w/o Spring
    (Part #1063840C)
    x
                Please view the product's page for more information
            
  • AFCO 23600CR 10 Inch Extreme Chrome Coil-Over Spring, 600 Rate
    AFCO 23600CR 10 Inch Extreme Chrome Coil-Over Spring, 600 Rate
    (Part #10623600CR)
    x
                

    Whether you are building a purpose-built drag strip machine or a beautiful show car, Extreme Chrome coilover springs will provide the strength, durability and show stopping good looks you desire. 

    • Industry exclusive 360° polished wire
    • High quality REAL chrome finish
    • Looks great from any angle - not just on the outside edge
    • 2-5/8" inside diameter

    All Afcoils carry a lifetime warranty to remain within 2% of the original nominal free height. 

    Afcoil Spring Rate Guide (Link)

    Coil-Over Mounting Guide (Link)

  • AFCO 6845F Reactor Front Drag Shocks - Chevrolet/GM/Dodge
    AFCO 6845F Reactor Front Drag Shocks - Chevrolet/GM/Dodge
    (Part #1066845F)
    x
                

    AFCO Single Adjustable Monotube FRONT shocks are an economical alternative to the fully double adjustable design. The single adjustable gives you the ability to adjust rebound dampening control without affecting the compression dampening characteristics of the shock. Plus, with AFCO's exclusive "BNC" valving, these shocks eliminate bounce caused by the impact after a wheel stand.

    • Quicker R.T.'s
    • Gas Mono-tube design for superior tuning and performance
    • Rebound adjustable only - will not bleed over to compression
    • BNC Valving eliminates front end bounce
    • Can be upgraded to a coil-over shock
    • 100% co-Tested and Serial Numbered

    Fits most '55-'96 GM chassis

    Fits 1979-1992 Dodge Ram half-ton 2WD pickup trucks.

    See Applications tab for fittment.

  • 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 36221-1 Swedged Aluminum Tube, 1 Inch O.D.(5/8) Inch, 21-1/2 Inch
    AFCO 36221-1 Swedged Aluminum Tube, 1 Inch O.D.(5/8) Inch, 21-1/2 Inch
    (Part #106362211)
    x
                

    Insist on 6061-T6 drawn tubing for strength, durability, and precise fit.  Extruded tubing looks similar, but it is not as strong or durable.  Extruded parts are prone to failure, while drawn parts keep performing.  Drawn material offers the same strength as hex without the additional weight.

    These tubes are threaded LH on one side and RH on the other.

  • AFCO 1000 Gas Shock End 1/2 I.D. x 0.625 Inch Wide Bearing
    AFCO 1000 Gas Shock End 1/2 I.D. x 0.625 Inch Wide Bearing
    (Part #1061000)
    x
                

    AFCO Gas Shock End 1/2 I.D. x 0.625 Inch Wide Bearing

    Replacement Teflon lined spherical bearings for all AFCO shocks except K-Series.

    •  1/2 Inch I.D. x 0.625 Inch Wide
  • 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 Non-Adjustable Alum. Coil-Over Shock Kit, 7 Inch Stroke, 13 Inch Comp.
    AFCO Non-Adjustable Alum. Coil-Over Shock Kit, 7 Inch Stroke, 13 Inch Comp.
    (Part #1061370)
    x
                

    AFCO has been building racing shocks for over 20 years and are now applying their technology to street rod shocks. These aluminum coilover shock kits have superior FIXED valving that will give you a better ride and improve handling.

    • Each shock is hand built and dyno tested
    • Supplied with two 5/8" I.D. polyurethane bushings
    • Includes AFCO Mirror Finish coilover springs in the rate of your choice
    • Kit includes (2) shocks, (2) springs, and (2) coil-over hardware kits
  • 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 23500CR 10 Inch Extreme Chrome Coil-Over Spring, 500 Rate
    AFCO 23500CR 10 Inch Extreme Chrome Coil-Over Spring, 500 Rate
    (Part #10623500CR)
    x
                

    Whether you are building a purpose-built drag strip machine or a beautiful show car, Extreme Chrome coilover springs will provide the strength, durability and show stopping good looks you desire. 

    • Industry exclusive 360° polished wire
    • High quality REAL chrome finish
    • Looks great from any angle - not just on the outside edge
    • 2-5/8" inside diameter

    All Afcoils carry a lifetime warranty to remain within 2% of the original nominal free height. 

    Afcoil Spring Rate Guide (Link)

    Coil-Over Mounting Guide (Link)

  • AFCO 36213-1 Swedged Aluminum Tube, 1 Inch O.D.(5/8) Inch, 13-1/2 Inch
    AFCO 36213-1 Swedged Aluminum Tube, 1 Inch O.D.(5/8) Inch, 13-1/2 Inch
    (Part #106362131)
    x
                

    Insist on 6061-T6 drawn tubing for strength, durability, and precise fit.  Extruded tubing looks similar, but it is not as strong or durable.  Extruded parts are prone to failure, while drawn parts keep performing.  Drawn material offers the same strength as hex without the additional weight.

    These tubes are threaded LH on one side and RH on the other.

  • 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 22375CR 12 Inch Extreme Chrome Coil-Over Spring, 375 Rate
    AFCO 22375CR 12 Inch Extreme Chrome Coil-Over Spring, 375 Rate
    (Part #10622375CR)
    x
                

    Whether you are building a purpose-built drag strip machine or a beautiful show car, Extreme Chrome coilover springs will provide the strength, durability and show stopping good looks you desire. 

    • Industry exclusive 360° polished wire
    • High quality REAL chrome finish
    • Looks great from any angle - not just on the outside edge
    • 2-5/8" inside diameter

    All Afcoils carry a lifetime warranty to remain within 2% of the original nominal free height. 

    Afcoil Spring Rate Guide (Link)

    Coil-Over Mounting Guide (Link)

  • AFCO 28300-1CR 8 Inch Extreme Chrome Coil-Over Spring, 300 Rate
    AFCO 28300-1CR 8 Inch Extreme Chrome Coil-Over Spring, 300 Rate
    (Part #106283001CR)
    x
                

    Whether you are building a purpose-built drag strip machine or a beautiful show car, Extreme Chrome coilover springs will provide the strength, durability and show stopping good looks you desire. 

    • Industry exclusive 360° polished wire
    • High quality REAL chrome finish
    • Looks great from any angle - not just on the outside edge
    • 2-5/8" inside diameter

    All Afcoils carry a lifetime warranty to remain within 2% of the original nominal free height. 

    Afcoil Spring Rate Guide (Link)

    Coil-Over Mounting Guide (Link)

  • 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 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 Needle Seal Installer
    $57.99
    Afco Needle Seal Installer
    (Part #A700500017)
    x
                Afco shock rebuild tools.
            
  • AFCO Small Body Adjustable Bulb Shock
    From: $329.99
    New
    AFCO Small Body Adjustable Bulb Shock
    (Part #10663)
    x
                

    AFCO Racing Products releases the most versatile small body shock in the industry today.  Each shock is hand crafted & DYNO tested in Boonville, IN.  Engineered to maximize low speed control and grip this shock features a low friction, high temperature sealing system. A second feature integrated into the design was a larger main piston, deflective disc base valve and increase gas chamber to enhance lap after lap performance, stability. Compression and rebound adjustable.

    • Superior base valve design
    • Maximum torsion bar arm clearance
    • Low gas pressure
    • Minimal rod pressure gain
    • Rebuildable/revalvable
    • Compression Adjustable
    • Rebound Adjustable
    • Base valve Design
    • Linear and Digressive Piston Design
  • AFCO 3250-1 Swing Arm Dragster Shock, Canister Series, 5 Inch Stroke
    AFCO 3250-1 Swing Arm Dragster Shock, Canister Series, 5 Inch Stroke
    (Part #10632501)
    x
                These Big Gun Series Double Adjustable Monotube coil-overs are specifically valved for high horsepower applications. Both small tire and big tire cars can better control the “hit” to the tire with this series of shocks. Don’t “drive thru” your shocks with that big power — choose this shock for the ultimate control off the line. Mount the shock upside-down for easier access to the rebound adjuster.
    • Double Adjustable - broad range of adjustment
    • Big Gun Valving - specifically valved for high horsepower applications
    • Great for BIG or SMALL tire door slammers
    • Shock of choice for Swing Arm Dragsters
    • Large piston provides superior launch stability
    • Gas pressure eliminates cavitation and allows shock to recover faster
    • Body Mount:  1/2" I.D. Bearing (1.060" wide)
    • Shaft Mount:  1/2" I.D. Bearing (1.060" wide)
    Includes coil-over kit. Coil spring NOT included.
  • AFCO Progressive 5th Coil Spring
    AFCO Progressive 5th Coil Spring
    (Part #10620087PR)
    x
                
    • Wide range of pre-load adjustment
    • Soft initial rate improves forward bite
    • Stiff secondary provides quick application of torque to rear tires

    This part is a direct replacement for 106-20087

    Information Sheet (PDF)

  • AFCO 1664-25S Small Smooth Rebound Adj Shock, 6 Inch, Comp 4/Reb 2-5
    AFCO 1664-25S Small Smooth Rebound Adj Shock, 6 Inch, Comp 4/Reb 2-5
    (Part #106166425S)
    x
                
    • Twin-tube design for traction in the slickest of track conditions
    • Rebound changes will not affect compression
    • Shim stack technology in a lightweight small-body design
    • Smooth body for non-coilover applications
    • Rebuildable and repairable
    • 1.68" O.D. aluminum body
    • Compressed length = 11.59"
    • Extended length = 17.69"
  • AFCO 5133050T Quarter Midget Shock w/ Tall Cone, Progressive 3-5 Valve
    AFCO 5133050T Quarter Midget Shock w/ Tall Cone, Progressive 3-5 Valve
    (Part #1065133050T)
    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
    • Tall spring cone
    • Stroke - 2.5"
    • Compressed Length - 7.70"
    • Extended Length - 10.20"

    Tuning Guide (PDF)

  • AFCO 27300-1CR 7 Inch Extreme Chrome Coil-Over Spring, 300 Rate
    AFCO 27300-1CR 7 Inch Extreme Chrome Coil-Over Spring, 300 Rate
    (Part #106273001CR)
    x
                

    Whether you are building a purpose-built drag strip machine or a beautiful show car, Extreme Chrome coilover springs will provide the strength, durability and show stopping good looks you desire. 

    • Industry exclusive 360° polished wire
    • High quality REAL chrome finish
    • Looks great from any angle - not just on the outside edge
    • 2-5/8" inside diameter

    All Afcoils carry a lifetime warranty to remain within 2% of the original nominal free height. 

    Afcoil Spring Rate Guide (Link)

    Coil-Over Mounting Guide (Link)

  • AFCO 23250CR 10 Inch Extreme Chrome Coil-Over Spring, 250 Rate
    AFCO 23250CR 10 Inch Extreme Chrome Coil-Over Spring, 250 Rate
    (Part #10623250CR)
    x
                

    Whether you are building a purpose-built drag strip machine or a beautiful show car, Extreme Chrome coilover springs will provide the strength, durability and show stopping good looks you desire. This new mirror finish spring line has all the great looks of a chrome spring with no damaging side-effects associated with chemical plating.

    • Industry exclusive 360° polished wire
    • High quality REAL chrome finish
    • Looks great from any angle - not just on the outside edge
    • 2-5/8" inside diameter
    • 3-3/8" outside diameter

    All Afcoils carry a lifetime warranty to remain within 2% of the original nominal free height. 

    Afcoil Spring Rate Guide (Link)

    Coil-Over Mounting Guide (Link)

  • AFCO 3870F Eliminator 1993-02 Camaro Front Shocks - Double Adj
    AFCO 3870F Eliminator 1993-02 Camaro Front Shocks - Double Adj
    (Part #1063870F)
    x
                

    AFCO Eliminator Twin Tube Adjustable FRONT shocks are built specifically for drag racing. Using advanced onboard diagnostics, AFCO developed the Eliminator Series to precisely control your race car at every point on the track. With the easy-to-use, repeatable "click" settings, this shock will give you unsurpassed traction.

    By allowing full control over both compression and rebound forces, Double Adjustable shocks give the tuner the ability to fine tune every aspect of the chassis movement to provide the ultimate in acceleration control and overall driveability.

    • Lightweight aluminum construction also helps dissipate heat
    • Rebound settings are adjusted via a shaft-mounted knob with 32 clicks
    • Compression settings are adjusted via a body-mounted know with 32 clicks
    • Smooth, Ultra Low Friction rod guide
    • Low resistance allows internals to function to their fullest potential
    • Almost no "stiction" to interfere with putting the power down
    • Coil-over Ready

    Fits 1993-2002 GM F-Body (Chevy Camaro, Pontiac Firebird). Coil-over kit hardware is included.

  • AFCO 23125CR 10 Inch Extreme Chrome Coil-Over Spring, 125 Rate
    AFCO 23125CR 10 Inch Extreme Chrome Coil-Over Spring, 125 Rate
    (Part #10623125CR)
    x
                

    Whether you are building a purpose-built drag strip machine or a beautiful show car, Extreme Chrome coilover springs will provide the strength, durability and show stopping good looks you desire. 

    • Industry exclusive 360° polished wire
    • High quality REAL chrome finish
    • Looks great from any angle - not just on the outside edge
    • 2-5/8" inside diameter

    All Afcoils carry a lifetime warranty to remain within 2% of the original nominal free height. 

    Afcoil Spring Rate Guide (Link)

    Coil-Over Mounting Guide (Link)

  • AFCO 22400CR 12 Inch Extreme Chrome Coil-Over Spring, 400 Rate
    AFCO 22400CR 12 Inch Extreme Chrome Coil-Over Spring, 400 Rate
    (Part #10622400CR)
    x
                

    Whether you are building a purpose-built drag strip machine or a beautiful show car, Extreme Chrome coilover springs will provide the strength, durability and show stopping good looks you desire. 

    • Industry exclusive 360° polished wire
    • High quality REAL chrome finish
    • Looks great from any angle - not just on the outside edge
    • 2-5/8" inside diameter

    All Afcoils carry a lifetime warranty to remain within 2% of the original nominal free height. 

    Afcoil Spring Rate Guide (Link)

    Coil-Over Mounting Guide (Link)

  • AFCO 20038-4LF Low Friction Lower Ball Joint, Long
    AFCO 20038-4LF Low Friction Lower Ball Joint, Long
    (Part #106200384LF)
    x
                

    AFCO Low Friction Ball Joints are designed with 2 ft. lbs. of resistance, the force required to move the stud of the ball joint.  Compare this with standard replacement joints, with as high as 50 ft. lbs. of resistance.  A difference you can feel!  It is critical to handling that suspension components be as free as possible to move.  Low friction ball joints allow the suspension to give rather than allowing the tire to bounce over rough surfaces.  Low tire pressures magnify the need to minimize friction in the suspension.

    • Precision machined to tight tolerances, providing consistent resistance throughout the travel of the ball joint to deliver consistent performance
    • Improves weight transfer
    • Frees up suspension for more consistent, repeatable chassis tuning
    • Removes suspension rigidity and allows shock and spring to have more precise wheel control
    • Adjustments are controlled more effectively by the shock and spring instead of the tire which improves traction
    • Provides more accurate set-ups during vehicle scaling
    • Meets or exceeds standard ball joint strength
    • Stock appearing
    • Lower input steering efforts and faster steering wheel return

     

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