2306-4185 383 Small Block Chevy FX Series -28cc Dish Top SBC 23 Degree Forged Piston Set 4.185 inch bore Pin Dia.: 0.927" Comp Height: 1.425" Piston Series Option:FX-1 4032 Alloy it is less cost effective

it is less cost effective to purchase single pistons

best engine building practices dictate that pistons should be replaced in matched sets

Most will require special order

You can increase the service life of a block by only honing what you need to remove taper and make the cylinders round again

2306-4185 383 Small Block Chevy FX Series -28cc Dish Top SBC 23 Degree Forged Piston Set 4.185 inch bore Pin Dia.: 0.927" Comp Height: 1.425" Piston Series Option:FX-1 4032 Alloy it is less cost effective413 Small Block Chevy, FX, Comp Height: 1. 425, 28cc Dish Top, PIN: . 927", Full Floating or Press Fit, Ring Groove: 1. 2 1. 2 3MM, Stroke: 3. 750", ROD: 5. 7, Approx Comp Ratio: 58cc 9. 9, 64cc 9. 38, 70cc 8. 91 *