This listing is for a set of (8) H618CP (.125" Dome) and a matching moly Ring set compatible replacements for for Chevrolet 350 5.7L V-8 with Domed head .125" high. Coated skirt piston. Good for street or strip or light race applications. 5/64" 5/64" 3/16" ring grooves & .927" pin diameter. Pins included. Compression distance: 1.560". Stock 5.700" length rods. Stock 3.480" stroke. Press-fit or floating Pins & lock rings Included.