Speed Pro Premium Piston Rings 4.270" Bore 5/64 x 5/64 x 3/16" Thick Standard Tension - Moly Racing Uniform Jacket 00 in L x 6

00 in L x 6

500 in Bore

Manifold not equipped with EGR

in diameter and has a molded in threaded brass insert with 3/8 - 16 threads

Running rich (very low air/fuel ratio

Speed Pro Premium Piston Rings 4.270" Bore 5/64 x 5/64 x 3/16" Thick Standard Tension - Moly Racing Uniform Jacket 00 in L x 6Product Description: Piston Rings Performance 4. 270 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