Product Summary

Hobby Stock, Modified, Sport Mod, Stock Car, Steel

  • Deigned after the 1973-95 truck-style lower ball joints
  • Uses a 1973-95 GM Truck taper, but they have a longer (taller) stud than the stock GM part
  • Engineered to remove suspension rigidity and allow the shock and spring to have more precise wheel control
  • Will fit most popular racing and passenger car spindles
  • They are precision machined to tight tolerances, providing consistent resistance throughout the travel of the ball joint
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Key Specs

MFG. Part #20038-1LF
BrandAFCO
PositionLower
Ball Joint TypePress-in
Material TypeSteel
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Need To Know

Quick and Easy Returns

Return Policy

AFCO 20038-1LF Details

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.

These are NOT a direct fit in the stock pickup A-frames. Used on IMCA cars to raise roll center (raised pivot point).

  1. These ball joint use a 1973-95 GM Truck taper, but they have a longer (taller) stud than the stock GM part. The taller stud changes the pivot point due to its length, which in turn raises the cars roll center. Very common ball joint on IMCA Modifieds.
  2. Lower ball joint fits most stut cars, 1971-1976 Impala and most wide-type dirt cars. Press-In.
  3. Fits most popular racing and passenger car spindles.

Item Details

Moog # K6117
Longer stud to raise roll center.

Features:

  • 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

Features:

  • 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

Warranty Information

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Speedway Motors cannot facilitate the return of defective Afco products as they have requested to handle these directly with the consumer. For defective product support and Return Authorization, please contact Afco at +1 (800)-632-2320.

AFCO 20038-1LF Specifications

KEY SPECS
MFG. Part #20038-1LF
BrandAFCO
PositionLower
Ball Joint TypePress-in
Material TypeSteel
GENERAL
Degree of Taper10 degree
Hardware IncludedYes
Sold in QuantityEach

Ratings & Reviews

5

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A well engineered product

5.0

9 years ago

Napa Dan

Iowa

Verified

Another quality product from AFCO. These lowers seem to take a beating and stay in great shape.

Would Recommend

Showing 1 of 1 reviews

Questions & Answers

3 Questions • 3 Answers

I'm running a stock metric spindle do I need to ream out lower hole or just drill out to 5/8" at top of taper?

by joe

• 11 years ago

1 answer

Will this fit into a GM Metric G-body lower control arm?

by nickb1200

• 13 years ago

1 answer

Will this lower ball joint fit the lower control arm in a 1979 Chevrolet Camaro? Thanks

by Junior

• 15 years ago

1 answer

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