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 not included
Compression Ratio 72cc 10.1:1, 75cc 9.9:1, 88cc 9.9:1
Advertised piston weight 505 grams, 141 gram wrist pin
OE Deck Height 10.170″
Note: Standard bore size is 4.233
Notes: Pin is Centered. Use 427 Block. For use with a Ford/Edelbrock and Shelby Heads. Connecting Rod Small End Width 1.250″ Max. Uses BBC 0.9898″ Diameter Wrist Pin. Ring Sizes .017″ (4250BD8-STD) .037″ (4250BD8.020) and .047″ (4250BD8-0030)
Notes: Ships direct from manufacturer