- Icon Forged Pistons are forged from high ductile 2618 alloy. They have dual forced pin oiling on most applications and offer lateral gas porting on high compression ratios. They are fully machined with deep valve pockets. They include top land mini groove technology, second land accumulator grooves, Diamond finished skirts, and triple wound spiral locks.
Compression Ratio with 58cc Heads 11.5:1
Compression Ratio with 64cc 10.6:1
Advertised piston weight 516 grams, 131 gram wrist pin.
SKU IC736-060_1 Manufacturer Icon Vehicle Make Ford SB Bore Size 4.060 Wrist Pin Size 0.912 Piston Material 2618 Forged Compression Height 1.608 Piston Ring Size 1/16 1/16 3/16 Piston Type Dome +6.8cc Rod Length 5.090 Crankshaft Stroke 3.000 List price No