Kieth Black Small Block 350 Chevy Flat Top PISTON SET OF 8. For 350 Small Block Chevy With 5.7 Rod Length. 4 Asymetrical Valve Reliefs. Crown Volume + 6.5cc. Compression Height – 1.561″ For 5.7″ Rod length. 927 Press Or Float. Piston Weight – 520 Grams. Pin Weight – 145 Grams. Ring Configuration – 1-16″ …