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 Ring Groove: 1

Ring Groove: 1

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

We need the engine block cylinder bore size

270 Chevy V6

8 CYLINDER SET

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 Ring Groove: 1379 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 *