Speed Pro Premium Piston Rings 4.165" Bore 5/64 x 5/64 x 3/16" Thick Standard Tension - Moly Electrical Connector 1955-1959 GMC FM350

1955-1959 GMC FM350

Dodge / Ford / GM

As a pioneer of ceramic friction technology

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

Track your truck

Speed Pro Premium Piston Rings 4.165" Bore 5/64 x 5/64 x 3/16" Thick Standard Tension - Moly Electrical Connector 1955-1959 GMC FM350Product 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