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 HARN02S003 Black Mil-Spec Nickel Ptfe Hard

Black Mil-Spec Nickel Ptfe Hard anodized Billet Base

300TD 1985-1979

Washers included

Stock Turbo

• (1) FREE Helmet Kit

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 HARN02S003 Black Mil-Spec Nickel Ptfe HardProduct 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