The Eaton Detroit Locker 912A317 is a limited-slip differential designed for GM 7.5 in. 10-bolt rear axles with a 28-spline axle shaft (1.2 in. diameter) and ring gear ratios of 3.23 and up. It fits a broad range of General Motors, Chevrolet, Pontiac, Buick, Oldsmobile, and Isuzu half-ton trucks, passenger cars, and Isuzu Rodeo applications spanning model years 1988-2002 (year range varies by vehicle make). The Truetrac-style limited-slip design suits everything from street driving and towing to drag racing, circle track, and off-road rock crawling. Call us to confirm proper fit for your specific axle and gear ratio.
Features
Eaton Detroit Truetrac limited-slip differential, part number 912A317
Fits GM 7.5 in. 10-bolt rear axle (10-bolt cover pattern)
28-spline axle shaft engagement, 1.2 in. axle shaft diameter
Ring gear size: 7.5 in.; requires 3.23 or numerically higher gear ratio
Compatible with GM, Chevrolet, Pontiac, Buick, Oldsmobile, and Isuzu half-ton truck and passenger car applications (1988-2002, varies by make)
Suited for on-road towing, drag racing, circle track, and off-road use including rock crawling and light trail
Tech Specs
- Differential Type: Limited Slip (Truetrac)
- Ring Gear Size: 7.5 in.
- Axle Configuration: GM 10-Bolt Rear
- Gear Spline Tooth Count: 28
- Axle Shaft Diameter: 1.2 in.
- Compatible Gear Ratio: 3.23 and up
- Axle Location: Rear
- Compatible Makes: General Motors, Chevrolet, Pontiac, Buick, Oldsmobile, Isuzu
- Model Year Range: 1988-2002 (varies by vehicle make)
- Vehicle Types: Half-Ton Truck, Passenger Car, Isuzu Rodeo
- Vehicle Usage: On-Road (street, towing, drag racing, circle track, restoration); Off-Road (rock crawl, extreme off-road, light trail/sand sports, work truck/towing)
