2218-3935 307 Small Block Chevy FX Series +4cc Dome Top SBC 23 Degree Forged Piston Set 3.935 inch bore Pin Dia.: 0.927" Comp Height: 1.675" Piston Series Option:FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs They could be heaver or

They could be heaver or lighter than your original pistons

383 Small Block Chevy

332 Small Block Chevy

Approx Comp Ratio: 58cc-10

Perfect for Mild Street or Extreme Power Adder Applications 8 CYLINDER SET

2218-3935 307 Small Block Chevy FX Series +4cc Dome Top SBC 23 Degree Forged Piston Set 3.935 inch bore Pin Dia.: 0.927" Comp Height: 1.675" Piston Series Option:FX-3 2618 Alloy with Lateral Gas Ports - XR .225 Wall Pin Upgrade - Spiro Locs They could be heaver or316 Small Block Chevy, FX, Comp Height: 1. 675, +4cc Dome Top, PIN: . 927", Full Floating or Press Fit, Ring Groove: 1. 2 1. 2 3MM, Stroke: 3. 250", ROD: 5. 7, Approx Comp Ratio: 58cc 11. 45, 64cc 10. 52, 70cc 9. 76 *