Speed Pro Premium Piston Rings 4.094" Bore 5/64 x 5/64 x 3/16" Thick Standard Tension - Moly SFIDRKSAH They are made of cast

They are made of cast iron and install into the exhaust crossover without any modifications

More positive steering feel

2002-2004 Oldsmobile Alero

stainless steel key enhances the security and safety features available with the Big Switch

Speed Pro Premium Piston Rings 4.094" Bore 5/64 x 5/64 x 3/16" Thick Standard Tension - Moly SFIDRKSAH They are made of castProduct Description: Piston Rings Performance 4. 094 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