Sealed Power Performance Piston Rings - 4.020 in Bore - Drop In - 5/64 x 5/64 x 3/16 in Thick - Standard Tension - Moly - 8-Cylinder R10015L or any other Hall effect

or any other Hall effect speed input

They are especially recommended if you are installing a subframe connector

Ranchero 1959-1957

This helps keep tire temperatures consistent

5/64 x 3/32 x 3/16 in Ring Grooves

Sealed Power Performance Piston Rings - 4.020 in Bore - Drop In - 5/64 x 5/64 x 3/16 in Thick - Standard Tension - Moly - 8-Cylinder R10015L or any other Hall effectProduct Description: Piston Rings Performance 4. 020 in Bore Drop In 5 64 x 5 64 x 3 16 in Thick Standard Tension Steel Moly 8 Cylinder Sealed Power engine products are application engineered components, including pistons, piston rings, engine bearings, oil pumps and lifters. These proven replacement parts are the result of product development efforts, dedicated to putting only the absolute best on the street. Our engineers design and validate the