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
1/16 1/16 3/16 rings no included
Compression Ratio 520 – 72cc 11.3:1 and 545 72cc 11.7:1
Advertised piston weight 520 – 561 grams, 141 gram wrist pin / 545 – 581 grams, 141 gram wrist pin
OE Deck Height 10.320″
Note: Standard bore size is 4.360
Notes: Pin is Centered. Use 460 Block. For use with SCJ (M6049) cylinder heads. Connecting rod small end width 1.250″ max/ Usues BBC 0.9898″ diameter wrist pin. Ring set for 0.140″ oversize is (4466BD8.034)
Notes: Ships direct from manufacturer
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