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 It includes one top ring

It includes one top ring

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

single pistons are available

327 Small Block Chevy

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

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 It includes one top ring306 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 *