2300-4030 383 Small Block Chevy FX Series -5cc Flat Top SBC 23 Degree Forged Piston Set 4.030 inch bore Pin Dia.: 0.927" Comp Height: 1.425" Single Replacement Pistons With today's power levels leaving

With today's power levels leaving wall thickness in the cylinders can also help with power and longevity

Approx Comp Ratio: 58cc-9

420 Small Block Chevy

for this reason

You will be required to do whatever it takes to match your other pistons weight

2300-4030 383 Small Block Chevy FX Series -5cc Flat Top SBC 23 Degree Forged Piston Set 4.030 inch bore Pin Dia.: 0.927" Comp Height: 1.425" Single Replacement Pistons With today's power levels leaving383 Small Block Chevy, FX, Comp Height: 1. 425, 5cc Flat Top , PIN: . 927", Full Floating or Press Fit, Ring Groove: 1. 2 1. 2 3MM, Stroke: 3. 750", ROD: 5. 7, Approx Comp Ratio: 58cc 12. 01, 64cc 11. 14, 70cc 10. 41 *