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AFCO 20039LF Low Friction GM Lower Ball Joint
AFCO 20039LF Low Friction GM Lower Ball Joint

AFCO 20039LF Low Friction GM Lower Ball Joint

71-96 Buick, 70-02 Chevy, 73-02 GMC, 71-92 Oldsmobile, 70-89 Pontiac, Hobby Stock, Steel

4 Reviews | 0 Answered Questions
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AFCO 20039LF Low Friction GM Lower Ball Joint
AFCO 20039LF Low Friction GM Lower Ball Joint
AFCO 20039LF Low Friction GM Lower Ball Joint
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AFCO 20039LF Low Friction GM Lower Ball Joint
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Part # 10620039LF
$47.24
$47.99
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  • These ball joints are designed with 2 ft. lbs. of resistance, which is the force required to move the stud of the ball joint
  • The low friction allow the suspension to give rather than allowing the tire to bounce over rough surfaces
  • Will fit several GM car and truck applications (see list)
  • Are precision machined to tight tolerances, providing consistent resistance throughout the travel of the ball joint to deliver consistent performance
  • Engineered to free the up suspension for more consistent, repeatable chassis tuning

Details

Position:
Lower
Ball Joint Type:
Press-in
Degree of Taper:
10 degree
Material Type:
Steel
Hardware Included:
Yes
Overall Diameter:
2.100"
MFG. Part #:
20039LF
Sold in Quantity:
Each

Info

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.

Checking Ball Joint Wear (PDF)

See Application tab for corresponding vehicle models.  

Item Details

Moog # K6145

Application

  • 1982-2002 Chevrolet S-10/Blazer (2WD)
  • 1982-2002 GMC Sonoma/Jimmy (2WD)
  • 1970-81 Chevrolet Camaro
  • 1970-81 Pontiac Firebird

1971-1976 GM B-Body

  • Chevrolet Impala
  • Chevrolet Caprice
  • Chevrolet Bel Air
  • Buick LeSabre
  • Buick Centurion
  • Oldsmobile Delta 88
  • Oldsmobile Delta 98
  • Oldsmobile Custom Cruiser
  • Pontiac Bonneville

1973-77 GM A-Body  

  • Buick (Century, Regal)
  • Chevy (Chevelle, Malibu, Monte Carlo, El Camino)
  • GMC (Sprint)
  • Oldsmobile (Cutlass, 442, Hurst Olds)
  • Pontiac (Grand Prix, LeMans)

1978-81 GM A-Body 

  • Buick (Century)
  • Chevy (Malibu)
  • Pontiac (LeMans thru '82)

1977-1996 GM B-Body

  • Chevrolet Impala (All, including SS)
  • Chevrolet Caprice (All)
  • Buick Electra ('85-'90)
  • Buick Estate Wagon ('85-'96)
  • Buick LeSabre ('87-'90)
  • Buick Roadmaster ('94-'96)
  • Oldsmobile Delta 88 ('77-'85)
  • Oldsmobile Delta 98 ('77-'84)
  • Oldsmobile Custom Cruiser ('77-'92)
  • Pontiac Bonneville/Catalina/Grandville ('77-'86)
  • Pontiac Safari ('87-'89)
  • Pontiac Parisienne ('83-'86)

1975-1979 GM X-Body

  • Chevrolet Nova
  • Buick Apollo (thru '75)
  • Oldsmobile Omega
  • Pontiac Ventura (thru '77)
  • Pontiac Phoenix 
1978-87 GM G-Body
  • Buick (Regal, Grand National, GNX)
  • GMC (Caballero)
  • Oldsmobile (Cutlass, Hurst Olds)
  • Pontiac (Grand Prix)
1978-88 GM G-Body
  • Chevy (Monte Carlo, El Camino)

Notes

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

 

Important Messages

  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
Some parts are not legal for use in California or other states with similar laws/regulations

Reviews

Q & A

Videos & Articles
  • Learn about the importance of getting the chain tension set correctly, and why it is critical that we get it as near perfect as we can. Walkthrough a basic procedure that effectively and consistently gets the chain tension set properly every time.
  • Learn more about the three piece spindle, which offers improved geometry, replaceable steering arms, and compatibility. Applicable to modifieds, sport mods, stock car and hobby stocks.
  • When it comes to a traditional style build on an early hot rod it just has to be rolling on a solid front axle of some sort. In this buyer's guide we take you through I-beam and round tube solid axles, spindle choices, radius rod needs, and more.
  • Follow this guide on how to install a splined sway bar for GM A-body applications. See the installation process on a '68 Chevelle frame using stock control arms and factory chassis bolt and pad locations.
  • Here's a handy guide to familiarize you with our G-Comp line of performance suspension systems.
  • Get a good foundation on racing shocks and their different functions. Learn about the fundamentals and the pros and cons between various types of shocks available.
  • Learn about the steps and tools necessary for a smooth chassis assembly for your sprint car.

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