2305-4155 383 Small Block Chevy FX Series -21cc Dish Top SBC 23 Degree Forged Piston Set 4.155 inch bore Pin Dia.: 0.927" Comp Height: 1.425" 1.2-1.2-3MM Single Piston Replacement Pro Pip:

Single Piston Replacement Pro Pip: Do yourself a favor and inspect all your pistons and cylinders carefully before making the decision to buy single replacements

383 Small Block Chevy

289 Small Block Chevy

This part # is for a replacement single cylinder ring set

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

2305-4155 383 Small Block Chevy FX Series -21cc Dish Top SBC 23 Degree Forged Piston Set 4.155 inch bore Pin Dia.: 0.927" Comp Height: 1.425" 1.2-1.2-3MM Single Piston Replacement Pro Pip:407 Small Block Chevy, FX, Comp Height: 1. 425, 21cc 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 10. 49, 64cc 9. 88, 70cc 9. 34 *