2100-4165 350 Small Block Chevy FX Series -5cc Flat Top SBC 23 Degree Forged Piston Set 4.165 inch bore Pin Dia.: 0.927" Comp Height: 1.26" Bore Size 3776 in 95835 mm 0 mm Gas Nitride Stainless

0 mm Gas Nitride Stainless Steel Top Ring - Napier Second Ring with Flex Vent Oil Control Rings

They could be heaver or lighter than your original pistons

414 Small Block Chevy

including potentially having to re-balance the rotating assembly

2100-4165 350 Small Block Chevy FX Series -5cc Flat Top SBC 23 Degree Forged Piston Set 4.165 inch bore Pin Dia.: 0.927" Comp Height: 1.26" Bore Size 3776 in 95835 mm 0 mm Gas Nitride Stainless379 Small Block Chevy, FX, Comp Height: 1. 26, 5cc Flat Top , PIN: . 927", Full Floating or Press Fit, Ring Groove: 1. 2 1. 2 3MM, Stroke: 3. 480", ROD: 6, Approx Comp Ratio: 58cc 11. 79, 64cc 10. 95, 70cc 10. 25 *