2453-4030 396 Small Block Chevy FX Series -16cc Dish Top SBC 23 Degree Forged Piston Set 4.030 inch bore Pin Dia.: 0.927" Comp Height: 1.362" Piston Series Option:FX-2 2618 Alloy 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

311 Small Block Chevy

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

best engine building practices dictate that pistons should be replaced in matched sets

including potentially having to re-balance the rotating assembly

2453-4030 396 Small Block Chevy FX Series -16cc Dish Top SBC 23 Degree Forged Piston Set 4.030 inch bore Pin Dia.: 0.927" Comp Height: 1.362" Piston Series Option:FX-2 2618 Alloy Because the singles you are395 Small Block Chevy, FX, Comp Height: 1. 362, 16cc Dish Top, PIN: . 927", Full Floating or Press Fit, Ring Groove: 1. 2 1. 2 3MM, Stroke: 3. 875", ROD: 5. 7, Approx Comp Ratio: 58cc 10. 82, 64cc 10. 16, 70cc 9. 57 *