2408-4185 383 Small Block Chevy FX Series +4cc Dome Top SBC 23 Degree Forged Piston Set 4.185 inch bore Pin Dia.: 0.927" Comp Height: 1.125" Stroke 3.800" This option extends the shipping

This option extends the shipping time by an additional 5 to 10 business days

Obviously custom bore size pistons are non-returnable

Approx Comp Ratio: 58cc-10

DSS Racing pistons are normally manufactured in matched sets of 4

2408-4185 383 Small Block Chevy FX Series +4cc Dome Top SBC 23 Degree Forged Piston Set 4.185 inch bore Pin Dia.: 0.927" Comp Height: 1.125" Stroke 3.800" This option extends the shipping413 Small Block Chevy, FX, Comp Height: 1. 125, +4cc Dome Top, PIN: . 927", Full Floating or Press Fit, Ring Groove: 1. 2 1. 2 3MM, Stroke: 3. 750", ROD: 6, Approx Comp Ratio: 58cc 14. 41, 64cc 13. 26, 70cc 12. 27 *