Piston Kit 23607100 23607100Piston Kit Cast Long RodThe piston is heat treated with a T 5 hardening and tempering cycle The piston skirt is coated with a high tech Molybdenum Disulphite coating for faster break in time and increased piston life Cast piston is gravity cast aluminum alloy (not forged) with 18% silicone content Piston kit includes piston, rings, wrist pin and circlips For use with Hot Rods Stroker crankshaft. Kit Includes: Cast Replica Stroker Piston Ring Set Wrist