2403-4000 383 Small Block Chevy FX Series -16cc Dish Top SBC 23 Degree Forged Piston Set 4.000 inch bore Pin Dia.: 0.927" Comp Height: 1.125" Bore Size 4000 in 101520 mm Perfect for Mild Street or

Perfect for Mild Street or Extreme Power Adder Applications 8 CYLINDER SET

more than that and it would have been more cost effective and better to replace the whole set

420 Small Block Chevy

One or two replacements might make sense

we swap the std

2403-4000 383 Small Block Chevy FX Series -16cc Dish Top SBC 23 Degree Forged Piston Set 4.000 inch bore Pin Dia.: 0.927" Comp Height: 1.125" Bore Size 4000 in 101520 mm Perfect for Mild Street or377 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. 39, 64cc 9. 76, 70cc 9. 2 *