Speed Pro Premium Piston Rings 4.165" Bore 5/64 x 5/64 x 3/16" Thick Standard Tension - Moly Electrical Connector 4-1/4 x 9-1/2 in Oval

4-1/4 x 9-1/2 in Oval Body

Semi-Gloss Black

1955-1959 GMC FM350

– Flares L/R

Speed Pro Premium Piston Rings 4.165" Bore 5/64 x 5/64 x 3/16" Thick Standard Tension - Moly Electrical Connector 4-1/4 x 9-1/2 in OvalProduct Description: Piston Rings Performance 4. 165 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