2008-4165 350 Small Block Chevy FX Series +4cc Dome Top SBC 23 Degree Forged Piston Set 4.165 inch bore Pin Dia.: 0.927" Comp Height: 1.56" Bore Size 4060 in 103040 mm DSS Racing pistons are normally

DSS Racing pistons are normally manufactured in matched sets of 4

Full-Floating or Press Fit

Because the singles you are purchasing were not made at the same time your original pistons were made there will be variations that could effect their weight

Ring Groove: 1

2008-4165 350 Small Block Chevy FX Series +4cc Dome Top SBC 23 Degree Forged Piston Set 4.165 inch bore Pin Dia.: 0.927" Comp Height: 1.56" Bore Size 4060 in 103040 mm DSS Racing pistons are normally379 Small Block Chevy, FX, Comp Height: 1. 56, +4cc Dome Top, PIN: . 927", Full Floating or Press Fit, Ring Groove: 1. 2 1. 2 3MM, Stroke: 3. 480", ROD: 5. 7, Approx Comp Ratio: 58cc 13. 34, 64cc 12. 25, 70cc 11. 37 *