2008-4040 350 Small Block Chevy FX Series +4cc Dome Top SBC 23 Degree Forged Piston Set 4.040 inch bore Pin Dia.: 0.927" Comp Height: 1.56" Piston Series Option:FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs Printed on two sides

Printed on two sides

We need the engine block cylinder bore size

best engine building practices dictate that pistons should be replaced in matched sets

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

Do not indicate the piston skirt diameter

2008-4040 350 Small Block Chevy FX Series +4cc Dome Top SBC 23 Degree Forged Piston Set 4.040 inch bore Pin Dia.: 0.927" Comp Height: 1.56" Piston Series Option:FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs Printed on two sides357 Small Block Chevy, FX, Comp Height: 1. 56, +4cc Dome 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 12. 71, 64cc 11. 7, 70cc 10. 83 *