2048-4060 302 Small Block Chevy FX Series +4cc Dome Top SBC 23 Degree Forged Piston Set 4.060 inch bore Pin Dia.: 0.927" Comp Height: 1.5" Piston Series Option:FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs Custom Bore Size Option: This

Custom Bore Size Option: This Option is perfect for Engine builders who do not want to unnecessarily oversize the cylinder bores on a block

One or two replacements might make sense

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

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

2048-4060 302 Small Block Chevy FX Series +4cc Dome Top SBC 23 Degree Forged Piston Set 4.060 inch bore Pin Dia.: 0.927" Comp Height: 1.5" Piston Series Option:FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs Custom Bore Size Option: This311 Small Block Chevy, FX, Comp Height: 1. 5, +4cc Dome Top, PIN: . 927", Full Floating or Press Fit, Ring Groove: 1. 2 1. 2 3MM, Stroke: 3. 000", ROD: 6, Approx Comp Ratio: 58cc 11. 2, 64cc 10. 3, 70cc 9. 54 *