Product information "CP Piston Set for Chevy Small Block - Bore (4.030)- (Set of 8)"
Individual CP Piston; Heavy Duty 23Degree Flat Top; 10 Gas Ports per Piston; Supplied with .927 x 2.500 Pin (118g); Supplied With Double Spiral Locks; .010 Deck Clearance with 3.480 Stroke; Rail Supports included; Can be used with 3.750 Stroke & 6.000 Rod 2nd Ring: 0.043 Gas Ports: Yes Weight: 395 Oil Ring: 3.0 Bore: 4.030 Comp Height: 1.125 Dome VR CC: F.T. -5cc Rod: 6.125 Stroke: 3.500 Top Ring: 0.043