Speed Pro Premium Piston Rings 4.080" Bore 5/64 x 3/32 x 3/16" Thick Standard Tension - Moly 4704021-10-M Covered by Flowmaster's Lifetime Limited

Covered by Flowmaster's Lifetime Limited Warranty

More Functionality - Provides significantly more functionality than OEM or other competitive ECUs (boost control

2007 GMC Sierra 2500 HD Classic

1981-1981 Isuzu Pickup

Speed Pro Premium Piston Rings 4.080" Bore 5/64 x 3/32 x 3/16" Thick Standard Tension - Moly 4704021-10-M Covered by Flowmaster's Lifetime LimitedProduct 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