2103-4155 350 Small Block Chevy FX Series -13cc Dish Top SBC 23 Degree Forged Piston Set 4.155 inch bore Pin Dia.: 0.927" Comp Height: 1.26" Piston Ring Kit Option:Pistons - Pins - Locs With DSS Racing Rings in a Kit it is less cost effective

it is less cost effective to purchase single pistons

It can be done after the fact but pin fitting the pistons twice adds on quite a bit more labor

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

Does your LS engine have press fit rods

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

2103-4155 350 Small Block Chevy FX Series -13cc Dish Top SBC 23 Degree Forged Piston Set 4.155 inch bore Pin Dia.: 0.927" Comp Height: 1.26" Piston Ring Kit Option:Pistons - Pins - Locs With DSS Racing Rings in a Kit it is less cost effective377 Small Block Chevy, FX, Comp Height: 1. 26, 13cc Dish Top, PIN: . 927", Full Floating or Press Fit, Ring Groove: 1. 2 1. 2 3MM, Stroke: 3. 480", ROD: 6, Approx Comp Ratio: 58cc 10. 68, 64cc 9. 99, 70cc 9. 4 *