Icon Pistons IC891-STD Fits Pontiac 400 Dish 14cc Bore 4.120

Fits Pontiac 400, Bore 4.120, Stroke 3.750, Rod Length 6.630, Dish 14cc, 574 grams, Set of 8 Pistons

Special Price $766.35 Regular Price $790.05

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⚠ PROP 65 WARNING

⚠ WARNING: This product can expose you to chemicals, which are known to the State of California to cause cancer. Please contact us to obtain a list of harmful chemicals. For more information, go to www.P65Warnings.ca.gov.

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 71cc 9.9:1, 87cc 8.6:1, 96cc 8.0:1

Advertised piston weight 574 grams, 149 gram wrist pin

OE Deck Height 10.250"

Note: Standard bore size is 4.120

Notes: Pin is Centered. Use OE or Edelbrock style heads. Some stock rods need to be narrowed and balance pad removed

Notes: Ships direct from manufacturer

Specifications

More Information
CNC Part Number	UEM-IC891-STD
Price	$790.05
Manufacturer's Part Number	IC891-STD
Brands	Icon
Part Types	Engine Piston
Departments	Parts
Vehicle Make	Pontiac
Bore Size	4.120
Crankshaft Stroke	3.750
Rod Length	6.630
Piston Type	Dish
Compression Height	1.720
Piston Material	2618 Forged
Piston Ring Size	1/16 1/16 3/16
Wrist Pin Size	0.980
Custom Notices	⚠ PROP 65 WARNING

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