Description
Icon Forged Pistons are forged from high ductile 2618 alloy. With a 1% silicon content 2618 alloy they are formulated and heat treated for the most demanding performance applications such as very high compression ratios, boosted application and nitrous
Crown and valve reliefs are cnc machined
Top land mini groove technology
Skirts machined by UEM’s unique in house built cnc machines
Accumulator groove to help eliminate flutter and maximize ring seal
Skirt and pin boss struts designed to withstand heavy loads from high cylinder pressures
Wrist pins and spiral lock rings included
1.5mm 1.5mm 3mm rings not included
Compression Ratio383 54cc 12.7:1, 58cc 12.0:1, 64cc 11.2:1 – 393 54cc 13.0:1, 58cc 12.3:1, 64cc 11.41 – 408 54cc 13.4:1, 58cc 12.7:1, 64cc 11.8:1
Advertised piston weight 383 & 393 449 grams, 132 gram wrist pin – 409 419 grams, 132 grams
OE Deck Height 9.500″
Note: Standard bore size is 4.000
Notes: Pin is Centered. Use 351W Block. Pre 1971 Deck Heights are .020″ Shorter. Insufficient Stock for Clean-Up
Notes: Ships direct from manufacturer
