Sealed Power Performance Piston Rings - 4.070 in Bore - Drop In - 5/64 x 5/64 x 3/16 in Thick - Standard Tension - Moly - 8-Cylinder 21411 Two grip shapes are offered:

Two grip shapes are offered: O and OE

Available for small block Chevy and Ford and big block Chevy applications

2003-2003 Roadmaster Rail S-Monocoque

3/4 in 30 Spline to 3/4 in Smooth

Sealed Power Performance Piston Rings - 4.070 in Bore - Drop In - 5/64 x 5/64 x 3/16 in Thick - Standard Tension - Moly - 8-Cylinder 21411 Two grip shapes are offered:Product Description: Piston Rings Performance 4. 070 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