Speed Pro Economy Piston Rings 4.155" Bore 5/64 x 5/64 x 3/16" Thick Standard Tension - Iron Neck Roll Width (Including Radio & Battery

Width (Including Radio & Battery Pack): 3

This manifold features our High HP runners for use in modified street/strip oriented applications

brake line locks and nitrous systems

nitrous systems

PROTHANEs design provides superior handling through optimum compliance resistance

Speed Pro Economy Piston Rings 4.155" Bore 5/64 x 5/64 x 3/16" Thick Standard Tension - Iron Neck Roll Width (Including Radio & BatteryProduct Description: Piston Rings Economy 4. 155 in Bore Drop In 5 64 x 5 64 x 3 16 in Thick Standard Tension Cast Iron Natural 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