Randy's Worldwide : USA STANDARD GEARSKU: BSD-USG-SL F9-28-31
Ford, Lincoln, Mercury Differential Spool - Rear - USA Standard Gear - SL F9-28-31
Description
Spartan Locker
SL F9-28-31
88-55 FRD/LIN/MER
Spartan Locker for Ford 9", 28 or 31 spline axles
8"&9" FORD 28spl &31spl SPARTAN LOCKER
The Spartan Locker is a lunchbox locker that delivers reliable, 100% lockup traction at a low cost. It's design does not use the thrust washers and has a revolutionary spring and pin design that makes installation a snap!
Fits Ford 8" and 9" with 28 or 31 spline axles
Made from 9310 steel for added strength
Works with stock side gears in standard carrier case
Mechanical locker delivers reliable 100% lockup