Since 1952
America's Oldest Speed Shop ®
Speedway Motors Bill Smith
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Products

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 20032-2LF Low Friction Upper Ball Joint, Extended Length
AFCO 20032-2LF Low Friction Upper Ball Joint, Extended Length
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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

 

AFCO 3855 Eliminator Coil-Over Shock, Single Adjustable, 5 Inch Stroke
AFCO 3855 Eliminator Coil-Over Shock, Single Adjustable, 5 Inch Stroke
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AFCO Eliminator Twin Tube Adjustable 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.

Single (Rebound) Adjustable shocks are an economical alternative that gives you the ability to adjust rebound dampening control without affecting the compression dampening characteristics of the shock.

  • Rebound Adjustable with the "click" of a knob
  • 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
  • Bearing mount ends reduce suspension binding
  • Includes all hardware to mount a 2-5/8" spring
  • Body Mount:  1/2" I.D. Bearing (1.060" wide)
  • Shaft Mount:  1/2" I.D. Bearing (1.060" wide)

How to Choose Shock Length (GIF)

Note: Coil spring NOT included.

AFCO 30271 Metric Improved Geometry Centerlink
AFCO 30271 Metric Improved Geometry Centerlink
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Improved geometry drag link relocates the inner tie rod end to shorten both tie rod assemblies, which improves steering geometry by reducing the excessive toe out that is common to GM Metric chassis during normal suspension travel (bump steer). 

  • '78-'88 Monte Carlo G-Body

Instructions (PDF)

AFCO 1947-55 Chevy Truck Aluminum Radiator, Chevy Engine
AFCO 1947-55 Chevy Truck Aluminum Radiator, Chevy Engine
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If you are still running a copper radiator in your truck, you don't know what you are missing! AFCO uses the technology they learned from the racing world to give your truck the best radiator it will ever have. 100% Tig welded and each one is pressure tested.

  • 100% Aluminum Construction (no epoxy)
  • Welded-in Mounting Tabs
  • Filler necks feature screw-in bleed - won't crack or leak with age
  • Correct center-to-center inlets/outlets makes installation a breeze
  • Overall Height:  27-1/4" plus the fill neck
  • Overall Radiator Width:  18-1/4" plus the flanges
  • The flanges run vertically the entire length of the core

Instructions (PDF)

NOTE: Due to the modified nature of these vehicles, some radiators will require a minimum of drilling, etc. to mount.

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 28500-1CR 8 Inch Extreme Chrome Coil-Over Spring, 500 Rate
    AFCO 28500-1CR 8 Inch Extreme Chrome Coil-Over Spring, 500 Rate
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    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 80652 Chevy Engine Mounts, Rear
    AFCO 80652 Chevy Engine Mounts, Rear
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                AFCO Rear Chevy Engine Mounts
            
  • AFCO 10277 Rod End Spacer, 3/4 Inch
    AFCO 10277 Rod End Spacer, 3/4 Inch
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    Inner rod end spacers for round lower arm. 6061-T6 aluminum construction.

    Note:  Spacers are sold as each.  To space one rod end will require 2 spacers.

  • AFCO 24125CR 14 Inch Extreme Chrome Coil Over Spring - 125 Rate
    AFCO 24125CR 14 Inch Extreme Chrome Coil Over Spring - 125 Rate
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    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
    • Chrome Silicon Wire (not chrome vanadium) is used in every spring
    • Higher tensile strength, longer life
    • Cold-wound & heat-treated twice during manufacturing to withstand the most abusive conditions
    • Shot-peened

    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 Aluminum Tube, 13 Inch Long, 1 Inch O.D. (3/4) Inch
    AFCO Aluminum Tube, 13 Inch Long, 1 Inch O.D. (3/4) Inch
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    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.

    •  2-1/4” of tapped thread on each end. 

    Tech Tip:  Tube length will need to be 4" shorter than eye to eye working length.

  • AFCO 20195LW Detented Lightweight Weight Jack System, Spring Cup Only
    AFCO 20195LW Detented Lightweight Weight Jack System, Spring Cup Only
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    AFCO's Detented Weight Jack System eliminates the need for a jam nut, which allows for fast wedge adjustments on a pit stop or during chassis setup. The stainless steel ball and spring lock the plate from turning under race conditions to prevent unwanted chassis changes on the track. The special ball-ended jack bolt and its accomodating cupped spring plate seat help eliminate spring-to-jack bolt misalignment and spring binding during normal suspension travel.

    • Spring cup weighs only 1.2 lbs
    • Detent system eliminates the need for a jam nut saving even more weight
    • Ideal for cars that have little or no room around the weight jack bolt
    • Integral pivot for improved spring alignment during suspension travel
    • 1" coarse thread jack bolt
    • Black powdercoated finish

    NOTE: Jack bolt and frame plate must be used together in order for detent system to be functional.

  • AFCO 50401 Ludwig Clamps, 4 Pack
    AFCO 50401 Ludwig Clamps, 4 Pack
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    • Secures hinged lids, panels, etc
    • Held in place by a single rivet
  • AFCO 85298 Ignition Warning Light
    AFCO 85298 Ignition Warning Light
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    AFCO Ignition Warning Light

    - .640 O.D. on chrome ring
    - Mounts in 1/2" hole

  • AFCO 40023 Strut Caster/Camber Plates, 1990-93 Mustang
    AFCO 40023 Strut Caster/Camber Plates, 1990-93 Mustang
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    AFCO Mustang Street/Strip coil-over struts incorporate race inspired valving for hard launches, consistent E.T.'s and improved reaction times. The struts completely replace stock units and can be used in the O.E. configuration. The optional coil-over kit & caster/camber plates will allow for ride height adjustment using a coil-over spring.

    • Caster/Camber plates are recommended when lowering the ride height
    • Complete kit allows for correct geometry at any ride height

    Strut package is the perfect complement to AFCO Tubular K-Members and Reactor Series or Eliminator rear shocks.

    Note: AFCO recommends a 10" 200 lb. spring for drag racing, or a 14" 125 lb. spring for other uses.

  • AFCO 20285 GM Trailing Arm Brackets
    AFCO 20285 GM Trailing Arm Brackets
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                Use to mount GM lower arms to your rear end. Designed for 3" O.D. axle. 
            
  • AFCO A-Arm Shims
    $3.99
    AFCO A-Arm Shims
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                Adjust camber and caster. Package contains four 1/16" and six 1/8" shims.  
            
  • AFCO 7010-0010 Brake System 7/16 Banjo to 3 AN Fitting
    AFCO 7010-0010 Brake System 7/16 Banjo to 3 AN Fitting
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    Brake system fittings to complete your brake plumbing project.

    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.

  • AFCO Master Disconnect Switch, 2-Post
    AFCO Master Disconnect Switch, 2-Post
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                Remote battery disconnect switch for safety requirements. A battery kill switch is required for use with alternators by the NHRA. Battery shut off switch can be remote mounted or where specified for saftey and convenience.
    • 125 amp intermittent load (15 seconds)
    • 20 amp continuous service
    • 6 volt to 36 volt systems
    • 2-position switch
    • Die cast lever
    • Fits panel through 3/16" thick
  • AFCO 85194 Warning Light Kit, Fuel Pressure
    AFCO 85194 Warning Light Kit, Fuel Pressure
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    These units allow the driver to maintain focus on the race.

    Wiring Instructions (PDF)

  • AFCO 22150CR 12 Inch Extreme Chrome Coil-Over Spring, 150 Rate
    AFCO 22150CR 12 Inch Extreme Chrome Coil-Over Spring, 150 Rate
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    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. These Mirror Finish springs have 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 triple plated chrome finish
    • Looks great from any angle - not just on the outside edge
    • 2-5/8" inside diameter
    • Chrome Silicon Wire (not chrome vanadium) is used in every spring
    • Higher tensile strength, longer life
    • Cold-wound & heat-treated twice during manufacturing to withstand the most abusive conditions
    • Shot-peened
    • Tru-rated

    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 20041 Steel Ball Joint Sleeve, 1960-66 Chrysler-Type Lower
    AFCO 20041 Steel Ball Joint Sleeve, 1960-66 Chrysler-Type Lower
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    Large threaded sleeve with flange for AFCO ball joint 20036.

    • 2.000" I.D.
    • 2.30"/2.840" O.D.
    • 1.00" tall
    • .45 lbs.
  • AFCO 30373 Push Button Economy Quick Release Hub
    AFCO 30373 Push Button Economy Quick Release Hub
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    This hub features a spring-loaded button-style release.  Unit fits 3/4" shaft and a standard three bolt steering wheel pattern.

    • 5/16" coare thread
    • Aluminum
    • .55 lbs

     

  • AFCO LL7B Stacked Plate Oil Cooler, 5-3/4 x 11 x 1-1/2 Inch, 24-Pass
    AFCO LL7B Stacked Plate Oil Cooler, 5-3/4 x 11 x 1-1/2 Inch, 24-Pass
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    AFCO's patented "stacked plate" cooler construction turns every inch of material into a cooling surface for maximum effciency per cubic inch of package space. This unique embossed plate design maintains extremely good performance and very low pressure drop. Fitting type: 1/2" NPT.

    Can be used for transmissions, differentials, and engines.

  • AFCO 2012-2055 Master Cylinder Boot
    AFCO 2012-2055 Master Cylinder Boot
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    Master cylinder replacement/repair parts for AFCO single piston aluminum master cylinders.

    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.

     

  • AFCO 20188 Swivler Weight Jack Bolt
    AFCO 20188 Swivler Weight Jack Bolt
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                Replacement 1" coarse bolt for AFCO Swivler weight jack. Bolt is 6" long.
            
  • AFCO Stainless Coolant Recovery Tank
    AFCO Stainless Coolant Recovery Tank
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    AFCO's Stainless Steel coolant recovery tank catches radiator overflow before it leaks all over. Completes a closed system. Includes two 1/8" hose barbs.

    The tank is about 2” diameter and 13” tall.

    Learn more about cooling with recovery systems and how they work by reading our tech article. Cooling System Principles.   

  • AFCO 1007X Shock End 1/2 I.D. x 1.06 Inch Wide Drag Bearing-Comp Lined
    AFCO 1007X Shock End 1/2 I.D. x 1.06 Inch Wide Drag Bearing-Comp Lined
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    Replacement Teflon lined spherical bearings for all AFCO shocks except K-Series.

    AFCO Racing's quality and design help these replacement shock bearings stand up to the toughest standards and conditions, from daily commuting to full-on racing. These shock bearings are replacements for your AFCO Racing shocks. They are available for street rod, race, and coil-over applications.

    AFCO Shock End Drag Bearing, Comp Lined

    • 1/2 I.D. x 1.06 Inch Wide
    • standard bearing
    • Bearing housing is 1.06" o.d. and 1" wide.
    • Sleeve is .683" o.d. and .390" wide
  • AFCO Hose/Tubing Gauge Key Chain
    $2.99
    $4.00
    AFCO Hose/Tubing Gauge Key Chain
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    These key chain hose/tubing gauges make it easy to quickly and accurately measure hose or tubing from 3/16" - 1-1/16" right from your key chain.  No more having to guess which size hose or tubing you will need.

    • Key chain hose/tubing gauge
    • Quickly and accurately measure hose or tubing from 3/16" - 1-1/16"
  • AFCO 30321 Steering Support Bearing
    AFCO 30321 Steering Support Bearing
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                Self-aligning bearing can be installed in firewall or mid-plate to support steering shaft 
            
  • AFCO 85193 Warning Light Kit, Oil Temp.
    AFCO 85193 Warning Light Kit, Oil Temp.
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    These units allow the driver to maintain focus on the race.

    Wiring Instructions (PDF)

  • AFCO 20023K Rod End and Spacer Kit, 3/4 Inch
    AFCO 20023K Rod End and Spacer Kit, 3/4 Inch
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    Required for rod end style lower control arms. Kit includes (1) rod end, (1) jam nut and (2) spacer bushings.

  • AFCO 10352 Standard Wide 5 Hub Bearing Kit W/ Self-Lock Nut 10200
    AFCO 10352 Standard Wide 5 Hub Bearing Kit W/ Self-Lock Nut 10200
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                Kit fits all wide 5 hubs excpet early Howe.
            
  • AFCO 20407 Ford 9 Inch Torque Link Brackets
    AFCO 20407 Ford 9 Inch Torque Link Brackets
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    • "Forward mount" design provides increased pull bar angle and forward bit during axle wrap-up and chassis lift over conventional mounting positions centered on axle
    • -8 degree pinion angle allows torque link to be mounted 4" ahead and 12" above axle centerline
    • Forward mounting reduces axle wrap-up from 25-33 percent, which provides consistent corner entry handling during axle wrap-down and improves U-joint life. 
    • Multiple holes for mounting torque link and dampener shock
    • 3/8" holes allow stiffener braces to be added on high horsepower applications
    • Laser cut design fits most rear ends. (Some trimming of brackets may be needed depending on housing configurations) 

    Instructions (PDF)

  • AFCO 23400CR 10 Inch Extreme Chrome Coil-Over Spring, 400 Rate
    AFCO 23400CR 10 Inch Extreme Chrome Coil-Over Spring, 400 Rate
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    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 Aluminum Cone Spacer Kit, 5/8 Inch Hole
    AFCO Aluminum Cone Spacer Kit, 5/8 Inch Hole
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                AFCO Cone Spacer 8 Packs
            
  • AFCO 80197 Universal Electric Fan Mounting Kit
    AFCO 80197 Universal Electric Fan Mounting Kit
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    This neat kit allows you to mount an electric fan to your street rod radiator. Works great with AFCO electric fans.

    The max mounting distance on the plates of this kit is 17".

    Instructions (PDF) 

  • AFCO 21207X Three Stage Torque Link
    $369.99
    $390.99
    AFCO 21207X Three Stage Torque Link
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    The "three stage" torque link provides adjustable progressive action for ultimate torque control and traction. Torque is absorbed by the coil spring to provide the initial forward bite. As engine torque increases, the poly bushings engage to increase torque to the rear tires. Engagement point of the poly bushings can be adjusted independently from the coil spring to allow for changing track conditions. 

    Due to its unique twin shaft design the engine side and brake side operate independently. This allows corner entry and exit to be tuned separately. Bushing/spring pre-load is always maintained. Also the brake bushing works more effectively because it's not loaded with engine spring pre-load. The car turns better during decelleration as a result. 

    Suggested Tube Lengths for 106-21207X

    10621207X Operation Manual (PDF)

  • AFCO 100002 High Performance Coolant Additive - 16 oz.
    AFCO 100002 High Performance Coolant Additive - 16 oz.
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    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 85285 4 Lb Water Pressure Sending Unit, 1/8 Inch Pipe
    AFCO 85285 4 Lb Water Pressure Sending Unit, 1/8 Inch Pipe
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    Afco 4# Water Pressure Sending Unit

    • 1/8 Inch Pipe
  • AFCO 2012-2052 Master Cylinder Wire
    AFCO 2012-2052 Master Cylinder Wire
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    Master cylinder replacement/repair parts for AFCO single piston aluminum master cylinders.

    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.

     

  • AFCO Dynatech   Can Coolie
    $2.99
    AFCO Dynatech Can Coolie
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                Keep your beverages cool and your hand dry! Collapsible can cooler features AFCO and Dynatech® name brand logos.                               
    • Keep your beverage cool and your hand dry
    • Features AFCO on one side, Dynatech® on the other
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