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 When you order this option

When you order this option with a new set of LS

They could be heaver or lighter than your original pistons

It is very common to order a single piston to replace an obviously damaged piston only to find out you need a few more

-28cc Dish Top

-21cc Dish Top

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 When you order this option388 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 *