2323-4030 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: 1.4" Engine Size 4.3 Because the singles you are

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

337 Small Block Chevy

If it does it requires a

Put the full part # of the single piston you require in the note section of the check out page

2323-4030 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: 1.4" Engine Size 4.3 Because the singles you are388 Small Block Chevy, FX, Comp Height: 1. 4, 16cc Dish Top, PIN: . 927", Full Floating or Press Fit, Ring Groove: 1. 2 1. 2 3MM, Stroke: 3. 800", ROD: 5. 7, Approx Comp Ratio: 58cc 10. 64, 64cc 10, 70cc 9. 42 *