Speed Pro Premium Piston Rings 4.080" Bore 5/64 x 3/32 x 3/16" Thick Standard Tension - Moly 4704021-10-M For use on 1986-1996 small

For use on 1986-1996 small block Chevrolet engines with 1 piece rear main

05 in Oval Port

Steering Rack and Pinion Cover

Reaction and 60-foot times are improved since engine movement in the chassis is eliminated

2007 GMC Sierra 2500 HD Classic

Speed Pro Premium Piston Rings 4.080" Bore 5/64 x 3/32 x 3/16" Thick Standard Tension - Moly 4704021-10-M For use on 1986-1996 smallProduct Description: Piston Rings Performance 4. 080 in Bore Drop In 5 64 x 3 32 x 3 16 in Thick Standard Tension Steel Moly 8 Cylinder From pistons to engine bearing components, Speed Pro offers an array of performance engine parts. You can rely on Speed Pro for industry leading performance engine technologies, from cutting edge Digital Diamond Profiled pistons to A Series bearings. They are engine components performance enthusiasts and racers can