2320-4040 383 Small Block Chevy FX Series -5cc Flat Top SBC 23 Degree Forged Piston Set 4.040 inch bore Pin Dia.: 0.927" Comp Height: 1.4" Engine Size 350 1/16" 1/16" 3/16" Ductile Moly

1/16" 1/16" 3/16" Ductile Moly Ring Set for Moderate to High Horsepower Applications

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

333 Small Block Chevy

388 Small Block Chevy

When you order this option with a new set of LS

2320-4040 383 Small Block Chevy FX Series -5cc Flat Top SBC 23 Degree Forged Piston Set 4.040 inch bore Pin Dia.: 0.927" Comp Height: 1.4" Engine Size 350 1/16" 1/16" 3/16" Ductile Moly390 Small Block Chevy, FX, Comp Height: 1. 4, 5cc Flat 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 12. 18, 64cc 11. 33, 70cc 10. 58 *