2048-4030 302 Small Block Chevy FX Series +4cc Dome Top SBC 23 Degree Forged Piston Set 4.030 inch bore Pin Dia.: 0.927" Comp Height: 1.5" Bore Size 4125 in 104690 mm They are made to order

They are made to order and are NOT RETURNABLE under any circumstances

311 Small Block Chevy

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

0 mm Ductile Moly Ring Set for Moderate to High Horsepower Applications

333 Small Block Chevy

2048-4030 302 Small Block Chevy FX Series +4cc Dome Top SBC 23 Degree Forged Piston Set 4.030 inch bore Pin Dia.: 0.927" Comp Height: 1.5" Bore Size 4125 in 104690 mm They are made to order306 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. 04, 64cc 10. 17, 70cc 9. 43 *