Speed Pro Performance Piston Rings - 4.250 in Bore - Drop In - 5/64 x 5/64 x 3/16 in Thick - Standard Tension - Moly - 8-Cylinder E553K Water Neck The bolt style screws into

The bolt style screws into the spark plug hole

This part may be required depending on what your customers car is currently equipped with

• (2) 3" hose clamps

1970-1970 Pontiac Firebird

Speed Pro Performance Piston Rings - 4.250 in Bore - Drop In - 5/64 x 5/64 x 3/16 in Thick - Standard Tension - Moly - 8-Cylinder E553K Water Neck The bolt style screws intoProduct Description: Piston Rings Performance 4. 250 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