2403-4030 383 Small Block Chevy FX Series -16cc Dish Top SBC 23 Degree Forged Piston Set 4.030 inch bore Pin Dia.: 0.927" Comp Height: 1.125" Bore Size 4125 in 104690 mm Single Piston Replacement Pro Pip:

Single Piston Replacement Pro Pip: Do yourself a favor and inspect all your pistons and cylinders carefully before making the decision to buy single replacements

312 Small Block Chevy

Please indicate your final cylinder bore size in the notes section of the shopping cart check out

it is less cost effective to purchase single pistons

2403-4030 383 Small Block Chevy FX Series -16cc Dish Top SBC 23 Degree Forged Piston Set 4.030 inch bore Pin Dia.: 0.927" Comp Height: 1.125" Bore Size 4125 in 104690 mm Single Piston Replacement Pro Pip:383 Small Block Chevy, FX, Comp Height: 1. 125, 16cc Dish Top, PIN: . 927", Full Floating or Press Fit, Ring Groove: 1. 2 1. 2 3MM, Stroke: 3. 750", ROD: 6, Approx Comp Ratio: 58cc 10. 52, 64cc 9. 88, 70cc 9. 31 *