Powertrax Grip LS - GM 12 Bolt Car 3.90
Powertrax Grip LS - GM 12 Bolt Car 3.90
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In-stock orders are processed within 48 hours; transit time is additional.
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Need help with a return? Request authorization within 30 days of delivery for eligible unused, uninstalled items. See details for exclusions and applicable fees.
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Request return authorization (RMA) within 30 days of delivery for eligible items. Keep items unused and uninstalled, with original packaging and accessories. Electronics, liquids, special orders and other categories are excluded.
Email sales@frsport.com with RETURN and your order number in the subject to request an RMA. Please wait for return authorization before sending your item back.
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Original shipping is non-refundable. For orders shipped free, the actual outbound shipping cost is deducted from the refund. Return shipping is prepaid by the customer.
After payment capture, cancellations and refunds generally incur a 5% processing fee, except for our error, confirmed defects or confirmed carrier loss. The 5% and 20% fees do not stack; only the greater applicable fee applies. Store credit waives the 5% fee, but applicable return fees remain.
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For defective items, contact us for help with the manufacturer's warranty process. The manufacturer decides the claim.
Specifications:
Differential Carrier Break: 3.07 to 3.73
Differential Case Design Type: GM 8.875 Car
Spline Count: 30
Taxonomy: Differential LD, Limited Slip Differentials, GM 8.875 Car
Title: Grip LS
Warranty Time: 2 Years or 100,000 Miles
Application notes:
- For GM 8.875" (12 Bolt)
- 30 Spline
- 3.73 Carrier and Down
- For Car Diff Only
- Requires Use Of Bearing LM603049 And Race LM603012
Vehicle Applications
- 1971 – 1972 Buick Centurion
- 1965 – 1972 Buick Electra
- 1971 – 1972 Buick Estate Wagon
- 1970 – 1972 Buick GS
- 1968 – 1969 Buick GS 350
- 1968 – 1969 Buick GS 400
- 1970 – 1972 Buick GS 455
- 1965 – 1967 Buick Gran Sport
- 1971 – 1972 Buick LeSabre
- 1971 – 1972 Buick Skylark
- 1965 – 1969 Buick Special
- 1964 – 1972 Buick Sportwagon
- 1965 – 1970 Chevrolet Bel Air
- 1967 – 1972 Chevrolet Camaro
- 1966 – 1972 Chevrolet Caprice
- 1964 – 1973 Chevrolet Chevelle
- 1965 – 1968 Chevrolet Chevy II
- 1965 – 1972 Chevrolet El Camino
- 1965 – 1972 Chevrolet Impala
- 1965 – 1967 Chevrolet Malibu
- 1970 – 1972 Chevrolet Monte Carlo
- 1969 – 1972 Chevrolet Nova
- 1970 – 1972 Ford Royal
- 1971 – 1972 GMC Sprint
- 1971 Oldsmobile 442
- 1965 – 1972 Oldsmobile 98
- 1971 – 1972 Oldsmobile Cutlass
- 1971 – 1972 Oldsmobile Cutlass Supreme
- 1967 – 1968 Oldsmobile Delmont 88
- 1965 – 1972 Oldsmobile Delta 88
- 1965 – 1972 Oldsmobile F85
- 1965 – 1966 Oldsmobile Jetstar 88
- 1965 Oldsmobile Jetstar I
- 1965 – 1966 Oldsmobile Starfire
- 1967 – 1972 Oldsmobile Vista Cruiser
- 1965 – 1971 Pontiac Acadian
- 1965 – 1969 Pontiac Beaumont
- 1965 – 1972 Pontiac Bonneville
- 1965 – 1972 Pontiac Catalina
- 1967 – 1970 Pontiac Executive
- 1967 – 1972 Pontiac Firebird
- 1965 – 1972 Pontiac GTO
- 1970 – 1972 Pontiac Grand Prix
- 1971 – 1972 Pontiac Grand Safari
- 1971 – 1972 Pontiac Grandville
- 1965 – 1972 Pontiac Laurentian
- 1965 – 1972 Pontiac LeMans
- 1965 – 1972 Pontiac Parisienne
- 1965 – 1970 Pontiac Strato-Chief
- 1970 Pontiac Tempest
