Speed Pro Premium Piston Rings 3.940" Bore 5/64 x 5/64 x 3/16" Thick Standard Tension - Moly 180 Degree Hose End Dual Square Bore

Dual Square Bore

times by nailing their ideal RPM off the starting line

Perfect for supercharged and nitrous applications

GM Fullsize Truck 1994-2004

The 10 Series race mufflers are intended for racing applications and utilize Flowmaster's patented Delta Flow technology for maximum performance

Speed Pro Premium Piston Rings 3.940" Bore 5/64 x 5/64 x 3/16" Thick Standard Tension - Moly 180 Degree Hose End Dual Square BoreProduct Description: Piston Rings Performance 3. 940 in Bore Drop In 5 64 x 5 64 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