2005-4040 350 Small Block Chevy FX Series -21cc Dish Top SBC 23 Degree Forged Piston Set 4.040 inch bore Pin Dia.: 0.927" Comp Height: 1.56" Bore Size 4040 in 102530 mm Ring Groove: 1

Ring Groove: 1

If it does it requires a

Please specify the correct part # of the ring set you need a replacement for in the note section of the checkout page

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

Obviously custom bore size pistons are non-returnable

2005-4040 350 Small Block Chevy FX Series -21cc Dish Top SBC 23 Degree Forged Piston Set 4.040 inch bore Pin Dia.: 0.927" Comp Height: 1.56" Bore Size 4040 in 102530 mm Ring Groove: 1357 Small Block Chevy, FX, Comp Height: 1. 56, 21cc Dish Top, PIN: . 927", Full Floating or Press Fit, Ring Groove: 1. 2 1. 2 3MM, Stroke: 3. 480", ROD: 5. 7, Approx Comp Ratio: 58cc 9. 37, 64cc 8. 83, 70cc 8. 35 *