Grip LOK Traction System

If you are looking for the ultimate in traction, the Powertrax Grip LOK can handle the torque of engines producing up to 550hp. It combines the fully-automatic locking action of our traditional locker, with the strength of a fully machined case.
Using our automatic locking technology, the Powertrax Grip Lok delivers automatic mechanically actuated traction. This is our strongest locking differential, offering the ultimate in competition for street, strip and off-road capabilities.

Comes Fully Assembled
Traction Adding Differential Technology
Delivers Automatic Mechanically Actuated Traction
Housed in a Fully Machined, Forged Steel Case

LK434430 Application Notes

Warranty

2 Years or 100,000 Miles

LK434430 Specifications

App Model Dana 44 Standard

Axle Shaft Diameter 1.31 (Inch), 1.31 (Inch)

Axle Shaft Spline Quantity 30, 30

Cover Bolt Quantity 10, 10

Differential Carrier Break 3.73 Ratio and Lower, 3.73 Ratio and Lower

Differential Case Design Type Dana 44 Standard, Dana 44 Standard

Position Front, Rear

Prop 65 Long Label WARNING: Reproductive Harm - www.p65warnings.ca.gov

Prop 65 Short Label WARNING: Cancer - www.p65warnings.ca.gov

Prop 65 Y N N

Ring Gear Bolt Quantity 10, 10

Taxonomy A LD Differential, LD Differential, LD Differential, LD Differential

Taxonomy B Differential Lockers & Spools, Differential Lockers & Spools, Differential Lockers & Spools

Taxonomy C Mechanical Lockers, Mechanical Lockers, Mechanical Lockers

Taxonomy D Front, Rear, Front, Rear, Front, Rear

Type Mechanical Locker

Where to buy

Vehicle Applications

1972 – 1974 Chevrolet Blazer
Application notes:
- For Dana 44
- 30 Spline
- 3.73 Carrier and Lower
- Dual Drilled For 3/8" And 7/16" Ring Gear Bolts
1975 – 1980 Chevrolet K20
Application notes:
- For Dana 44
- 30 Spline
- 3.73 Carrier and Lower
- Dual Drilled For 3/8" And 7/16" Ring Gear Bolts
1967 Chevrolet K20 Panel
Application notes:
- For Dana 44
- 30 Spline
- 3.73 Carrier and Lower
- Dual Drilled For 3/8" And 7/16" Ring Gear Bolts
1962 – 1974 Chevrolet K20 Pickup
Application notes:
- For Dana 44
- 30 Spline
- 3.73 Carrier and Lower
- Dual Drilled For 3/8" And 7/16" Ring Gear Bolts
1967 – 1980 Chevrolet K20 Suburban
Application notes:
- For Dana 44
- 30 Spline
- 3.73 Carrier and Lower
- Dual Drilled For 3/8" And 7/16" Ring Gear Bolts
1975 – 1980 Chevrolet K5 Blazer
Application notes:
- For Dana 44
- 30 Spline
- 3.73 Carrier and Lower
- Dual Drilled For 3/8" And 7/16" Ring Gear Bolts
1994 – 2001 Dodge Ram 1500
Application notes:
- For Dana 44
- 30 Spline
- 3.73 Carrier and Lower
- Dual Drilled For 3/8" And 7/16" Ring Gear Bolts
1994 – 2002 Dodge Ram 2500
Application notes:
- For Dana 44
- 30 Spline
- 3.73 Carrier and Lower
- Dual Drilled For 3/8" And 7/16" Ring Gear Bolts
1974 – 1993 Dodge Ramcharger
Application notes:
- For Dana 44
- 30 Spline
- 3.73 Carrier and Lower
- Dual Drilled For 3/8" And 7/16" Ring Gear Bolts
1988 – 1992 Dodge Vixen
Application notes:
- For Dana 44
- 30 Spline
- 3.73 Carrier and Lower
- Dual Drilled For 3/8" And 7/16" Ring Gear Bolts
1975 – 1977 Dodge W100
Application notes:
- For Dana 44
- 30 Spline
- 3.73 Carrier and Lower
- Dual Drilled For 3/8" And 7/16" Ring Gear Bolts
1986 – 1989 Dodge W100
Application notes:
- For Dana 44
- 30 Spline
- 3.73 Carrier and Lower
- Dual Drilled For 3/8" And 7/16" Ring Gear Bolts
1957 – 1959 Dodge W100 Pickup
Application notes:
- For Dana 44
- 30 Spline
- 3.73 Carrier and Lower
- Dual Drilled For 3/8" And 7/16" Ring Gear Bolts
1968 – 1974 Dodge W100 Pickup
Application notes:
- For Dana 44
- 30 Spline
- 3.73 Carrier and Lower
- Dual Drilled For 3/8" And 7/16" Ring Gear Bolts
1960 – 1967 Dodge W100 Series
Application notes:
- For Dana 44
- 30 Spline
- 3.73 Carrier and Lower
- Dual Drilled For 3/8" And 7/16" Ring Gear Bolts
1977 – 1993 Dodge W150
Application notes:
- For Dana 44
- 30 Spline
- 3.73 Carrier and Lower
- Dual Drilled For 3/8" And 7/16" Ring Gear Bolts
1975 – 1980 Dodge W200
Application notes:
- For Dana 44
- 30 Spline
- 3.73 Carrier and Lower
- Dual Drilled For 3/8" And 7/16" Ring Gear Bolts
1957 – 1959 Dodge W200 Pickup
Application notes:
- For Dana 44
- 30 Spline
- 3.73 Carrier and Lower
- Dual Drilled For 3/8" And 7/16" Ring Gear Bolts
1968 – 1974 Dodge W200 Pickup
Application notes:
- For Dana 44
- 30 Spline
- 3.73 Carrier and Lower
- Dual Drilled For 3/8" And 7/16" Ring Gear Bolts
1960 – 1967 Dodge W200 Series
Application notes:
- For Dana 44
- 30 Spline
- 3.73 Carrier and Lower
- Dual Drilled For 3/8" And 7/16" Ring Gear Bolts
1981 – 1993 Dodge W250
Application notes:
- For Dana 44
- 30 Spline
- 3.73 Carrier and Lower
- Dual Drilled For 3/8" And 7/16" Ring Gear Bolts
1971 – 1979 Ford Bronco
Application notes:
- For Dana 44
- 30 Spline
- 3.73 Carrier and Lower
- Dual Drilled For 3/8" And 7/16" Ring Gear Bolts
1979 Ford Bronco
Application notes:
- For Dana 44
- 30 Spline
- 3.73 Carrier and Lower
- Dual Drilled For 3/8" And 7/16" Ring Gear Bolts
1980 – 1982 Ford Bronco
1976 – 1978 Ford F-150
Application notes:
- For Dana 44
- 30 Spline
- 3.73 Carrier and Lower
- Dual Drilled For 3/8" And 7/16" Ring Gear Bolts
1979 Ford F-150
Application notes:
- For Dana 44
- 30 Spline
- 3.73 Carrier and Lower
- Dual Drilled For 3/8" And 7/16" Ring Gear Bolts
1980 – 1982 Ford F-150
1975 – 1979 Ford F-250
Application notes:
- For Dana 44
- 30 Spline
- 3.73 Carrier and Lower
- Dual Drilled For 3/8" And 7/16" Ring Gear Bolts
1979 – 1981 Ford F-250
1981 Ford F-350
1970 – 1980 GMC Jimmy
Application notes:
- For Dana 44
- 30 Spline
- 3.73 Carrier and Lower
- Dual Drilled For 3/8" And 7/16" Ring Gear Bolts
1966 GMC K1000
Application notes:
- For Dana 44
- 30 Spline
- 3.73 Carrier and Lower
- Dual Drilled For 3/8" And 7/16" Ring Gear Bolts
1966 GMC K1000 Pickup
Application notes:
- For Dana 44
- 30 Spline
- 3.73 Carrier and Lower
- Dual Drilled For 3/8" And 7/16" Ring Gear Bolts
1975 – 1978 GMC K15
Application notes:
- For Dana 44
- 30 Spline
- 3.73 Carrier and Lower
- Dual Drilled For 3/8" And 7/16" Ring Gear Bolts
1975 – 1978 GMC K15 Suburban
Application notes:
- For Dana 44
- 30 Spline
- 3.73 Carrier and Lower
- Dual Drilled For 3/8" And 7/16" Ring Gear Bolts
1966 – 1974 GMC K15/K1500 Pickup
Application notes:
- For Dana 44
- 30 Spline
- 3.73 Carrier and Lower
- Dual Drilled For 3/8" And 7/16" Ring Gear Bolts
1967 – 1971 GMC K15/K1500 Suburban
Application notes:
- For Dana 44
- 30 Spline
- 3.73 Carrier and Lower
- Dual Drilled For 3/8" And 7/16" Ring Gear Bolts
1974 GMC K15/K1500 Suburban
Application notes:
- For Dana 44
- 30 Spline
- 3.73 Carrier and Lower
- Dual Drilled For 3/8" And 7/16" Ring Gear Bolts
1979 GMC K1500
Application notes:
- For Dana 44
- 30 Spline
- 3.73 Carrier and Lower
- Dual Drilled For 3/8" And 7/16" Ring Gear Bolts
1979 – 1980 GMC K1500 Suburban
Application notes:
- For Dana 44
- 30 Spline
- 3.73 Carrier and Lower
- Dual Drilled For 3/8" And 7/16" Ring Gear Bolts
1975 – 1978 GMC K25
Application notes:
- For Dana 44
- 30 Spline
- 3.73 Carrier and Lower
- Dual Drilled For 3/8" And 7/16" Ring Gear Bolts
1975 – 1978 GMC K25 Suburban
Application notes:
- For Dana 44
- 30 Spline
- 3.73 Carrier and Lower
- Dual Drilled For 3/8" And 7/16" Ring Gear Bolts
1967 – 1974 GMC K25/K2500 Pickup
Application notes:
- For Dana 44
- 30 Spline
- 3.73 Carrier and Lower
- Dual Drilled For 3/8" And 7/16" Ring Gear Bolts
1968 – 1974 GMC K25/K2500 Suburban
Application notes:
- For Dana 44
- 30 Spline
- 3.73 Carrier and Lower
- Dual Drilled For 3/8" And 7/16" Ring Gear Bolts
1979 – 1980 GMC K2500
Application notes:
- For Dana 44
- 30 Spline
- 3.73 Carrier and Lower
- Dual Drilled For 3/8" And 7/16" Ring Gear Bolts
1979 – 1980 GMC K2500 Suburban
Application notes:
- For Dana 44
- 30 Spline
- 3.73 Carrier and Lower
- Dual Drilled For 3/8" And 7/16" Ring Gear Bolts
1974 – 1981 Plymouth Trailduster
Application notes:
- For Dana 44
- 30 Spline
- 3.73 Carrier and Lower
- Dual Drilled For 3/8" And 7/16" Ring Gear Bolts

Installation

Installation Instructions

⚠ WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov