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Icon Pistons IC784-STD Fits BBC 427 489 Flat Top 3cc Bore 4.250

Original price was: $199.54.Current price is: $49.89.

SKU: IVJRV527179 Category:

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 427 96.5cc 9.7:1, 108cc 8.4:1, 119cc 7.7:1
  • Compression Ratio 489 96.5cc 10.2:1, 115cc 8.9:1, 119cc 8.6:1
  • Advertised piston weight 582 grams, 141 gram wrist pin
  • OE Deck Height 9.800″
  • Note: Standard bore size is 4.250
  • Notes: Centered Pin
  • Notes: Ships direct from manufacturer