Sealed Power Performance Piston Rings - 4.390 in Bore - Drop In - 5/64 x 5/64 x 3/16 in Thick - Standard Tension - Moly - 8-Cylinder H76403F The core is lubricated with

The core is lubricated with Teflon prior to assembly and then sealed in a heavy plastic outer casing for a lifetime of durability and smooth operation

SS-WM1 Single Seat

Wrinkle Powder Coat finish

5% FS (+/- 1

1986-1995 Chevrolet G20

Sealed Power Performance Piston Rings - 4.390 in Bore - Drop In - 5/64 x 5/64 x 3/16 in Thick - Standard Tension - Moly - 8-Cylinder H76403F The core is lubricated withProduct Description: Piston Rings Performance 4. 390 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