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TT 913A481

True-Trac limited slip for GM 8.5″ & 8.6″ rear with 30 spline axles

$589.31

  • The True Trac limited slip uses a worm-gear design to bias torque from one tire to the other, providing extremely smooth operation. Since there are no clutches in this unit, there are no parts to wear out and no need to run limited slip additive in your oil. Tractech warranties this unit for one year against manufacturing defect. This unit has larger bearing journals for added strength & uses heavy-duty carrier bearings & races.

Technical Notes: If installing into a 8.5" housing, this unit requires carrier bearing & race part numbers LM102949 & LM102911

8 in stock

Warehouse Availability
  • CA
  • KY
  • TN
  • WA
  • MN
  • OR
  • TX

Quick Specs

Manufacturer:
Eaton Posi
Weight:
26.30 lbs
Shipping Length:
8 inches
Shipping Width:
8 inches
Shipping Height:
9 inches

Compatible Differentials

  • GM 8.5" Rear - 28 Spline
  • GM 8.6" Rear, '99-'08
  • GM 8.6" Rear, '09 & up
  • GM 8.5" Rear - 30 Spline

Compatible Make / Model

  • Buick Apollo (1973 - 1975)
  • Buick Electra (1971 - 1989)
  • Buick Rainier (2004 - 2007)
  • Buick Regal (1973 - 1987)
  • Buick Riviera (1975 - 1978)
  • Buick Skylark (1970 - 1972)
  • Cadillac Escalade (1999 - 2000)
  • Chevrolet / Chevy Avalanche 1500 (2002 - 2008)
  • Chevrolet / Chevy Bel Air (1970 - 1975)
  • Chevrolet / Chevy Blazer (1979 - 1994)
  • Chevrolet / Chevy C10 1/2 Ton (2WD) (1979 - 1987)
  • Chevrolet / Chevy C1500 1/2 Ton (2WD) (1988 - 1990)
  • Chevrolet / Chevy C2500 3/4 Ton (2WD) (1989 - 2000)
  • Chevrolet / Chevy Camaro (1970 - 1981)
  • Chevrolet / Chevy Caprice (1970 - 1996)
  • Chevrolet / Chevy Chevelle/ Malibu (1973 - 1973)
  • Chevrolet / Chevy Colorado (2004 - 2008)
  • Chevrolet / Chevy El Camino (1971 - 1976)
  • Chevrolet / Chevy Express Van 1500 1/2 Ton (1996 - 2003)
  • Chevrolet / Chevy G10 1/2 Ton (1979 - 1989)
  • Chevrolet / Chevy G20 3/4 Ton (1975 - 1989)
  • Chevrolet / Chevy Impala (1971 - 1988)
  • Chevrolet / Chevy K10/ K1500 1/2 Ton (4WD) (1979 - 1988)
  • Chevrolet / Chevy K5 Blazer (4WD) (1979 - 1991)
  • Chevrolet / Chevy Malibu (1973 - 1983)
  • Chevrolet / Chevy Monte Carlo (1973 - 1978)
  • Chevrolet / Chevy Nova (1970 - 1979)
  • Chevrolet / Chevy S10 Blazer / Pickup (1994 - 2000)
  • Chevrolet / Chevy Silverado 1500 1/2 Ton (1999 - 2008)
  • Chevrolet / Chevy SSR (2003 - 2006)
  • Chevrolet / Chevy Suburban 1/2 Ton (1979 - 1991)
  • Chevrolet / Chevy Tahoe 1500 1/2 Ton (1995 - 1998)
  • Chevrolet / Chevy Trailblazer (1999 - 2008)
  • GMC C15/ C1500 1/2 Ton (2WD) (1979 - 1990)
  • GMC C25/ C2500 3/4 Ton (2WD) (1997 - 2000)
  • GMC Canyon (2004 - 2008)
  • GMC Envoy (2002 - 2008)
  • GMC G15/ G1500 1/2 Ton (1979 - 1988)
  • GMC G25/ G2500 3/4 Ton (1978 - 1988)
  • GMC K15/ K1500 1/2 Ton (4WD) (1979 - 1988)
  • GMC S15 Jimmy / Pickup (1994 - 2000)
  • GMC Savana 1500 1/2 Ton (1996 - 2003)
  • GMC Savana 2500 3/4 Ton (1996 - 1998)
  • GMC Sierra 1500 1/2 Ton (1999 - 2008)
  • GMC Sierra Denali (1999 - 2008)
  • GMC Sonoma (1994 - 1998)
  • GMC Suburban 1/2 Ton (1979 - 1991)
  • GMC Typhoon (1992 - 1993)
  • GMC Yukon 1500 1/2 Ton (1992 - 2000)
  • GMC Yukon XL 1500 1/2 Ton (2000 - 2008)
  • Hummer H3 (2005 - 2008)
  • Isuzu Ascender (2003 - 2008)
  • Oldsmobile Cutlass (1970 - 1977)
  • Oldsmobile Omega (1973 - 1979)
  • Plymouth Phoenix (1978 - 1979)
  • Pontiac Bonneville (1970 - 1986)
  • Pontiac Catalina (1970 - 1981)
  • Pontiac Firebird (1970 - 1981)
  • Pontiac Grand Prix (1971 - 1987)
  • Pontiac GTO (1970 - 1977)
  • Pontiac LeMans (1971 - 1983)
  • Pontiac Trans Am (1970 - 1981)
  • Pontiac Ventura (1976 - 1977)
  • Saab 9-7x (2005 - 2008)

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