Strange Lightweight Pro Race spool.  31-spline application.
Ford 8.8"Requires C-clip eliminator kit or replacement housing
ends. (8.80 lbs.)

Strange Lightweight Spools- Strange spools are used in a wide variety of race cars to replace heavier and weaker cast iron differential carriers.
Spools permanently lock both axle shafts together so that both rear tires will always
rotate at the same speed. Strange Pro Race Spools are the lightest on the market.
Strange Pro Race steel spools have a lifetime replacement policy. Strange Lightweight Pro Race spool.  31-spline application.
Ford 8.8"Requires C-clip eliminator kit or replacement housing
ends. (8.80 lbs.)

Strange Lightweight Spools- Strange spools are used in a wide variety of race cars to replace heavier and weaker cast iron differential carriers.
Spools permanently lock both axle shafts together so that both rear tires will always
rotate at the same speed. Strange Pro Race Spools are the lightest on the market.
Strange Pro Race steel spools have a lifetime replacement policy.