Speed Pro Economy Piston Rings 4.125" Bore 5/64 x 5/64 x 3/16" Thick Standard Tension - Iron CC-SPORT-BTM Unwelded version allows tab to

Unwelded version allows tab to be installed in any location

Band Clamp Allows Easy Rotor Phasing Adjustment

Stainless steel headband construction

making it able to identify the slightest fluctuations in AFR and output them in full value

Speed Pro Economy Piston Rings 4.125" Bore 5/64 x 5/64 x 3/16" Thick Standard Tension - Iron CC-SPORT-BTM Unwelded version allows tab toProduct Description: Piston Rings Economy 4. 125 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