Speed Pro Economy Piston Rings 4.020" Bore 5/64 x 5/64 x 3/16" Thick Standard Tension - Iron Ignition Coil-On Plug Bracket GM 10 in Race Converters

GM 10 in Race Converters

Thunderbird 1969-1958

1953-1984 Cadillac DeVille

Direct Fit Install Uses Existing Factory Holes

10 Ratio and Down

Speed Pro Economy Piston Rings 4.020" Bore 5/64 x 5/64 x 3/16" Thick Standard Tension - Iron Ignition Coil-On Plug Bracket GM 10 in Race ConvertersProduct Description: Piston Rings Economy 4. 020 in Bore Drop In 5 64 x 5 64 x 3 16 in Thick Standard Tension Cast Iron Phosphate 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