Speed Pro Premium Piston Rings 4.420" Bore 5/64 x 5/64 x 3/16" Thick Standard Tension - Moly JK2-G1 75") AMH-1

75") AMH-1

Borla is the pioneer and leader in the design and manufacture of stainless steel performance exhaust

80 lb/in Spring Rate

5 in Core Radiators

Speed Pro Premium Piston Rings 4.420" Bore 5/64 x 5/64 x 3/16" Thick Standard Tension - Moly JK2-G1 75") AMH-1Product Description: Piston Rings Performance 4. 420 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