2218-3875 307 Small Block Chevy FX Series +4cc Dome Top SBC 23 Degree Forged Piston Set 3.875 inch bore Pin Dia.: 0.927" Comp Height: 1.675" Piston Ring Kit Option:Pistons - Pins and Locs Without Rings bushed connecting rods are worn

bushed connecting rods are worn or in bad shape you might also consider this option to make them like new again by honing them from the stock

You will be required to do whatever it takes to match your other pistons weight

This part # is for a replacement single cylinder ring set

They could be heaver or lighter than your original pistons

-5cc Flat Top

2218-3875 307 Small Block Chevy FX Series +4cc Dome Top SBC 23 Degree Forged Piston Set 3.875 inch bore Pin Dia.: 0.927" Comp Height: 1.675" Piston Ring Kit Option:Pistons - Pins and Locs Without Rings bushed connecting rods are worn307 Small Block Chevy, FX, Comp Height: 1. 675, +4cc Dome Top, PIN: . 927", Full Floating or Press Fit, Ring Groove: 1. 2 1. 2 3MM, Stroke: 3. 250", ROD: 5. 7, Approx Comp Ratio: 58cc 11. 18, 64cc 10. 29, 70cc 9. 53 *