Icon Pistons IC990-125 Fits BBC 454 Dome 38cc Bore 4.375

Fits BB Chevy 454, Bore 4.375, Stroke 4.000, Rod Length 6.135, 678 grams, Dome 38cc, Set of 8 Pistons

Special Price $829.88 Regular Price $855.55

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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 119cc 11.4:1

Advertised piston weight 678 grams, 141 gram wrist pin

OE Deck Height 9.800"

Note: Standard bore size is 4.250

Notes: Centered Pin. Hollow Dome. Will Fit Afr, Rhs, Trick Flow, World, Edelbrock, Brodix, Dart, & O.E. Chevy Open Chamber Heads That Are 118cc's Or Larger. Always Check Piston To Chamber & Valves To Assure You Have Adequate Operating Clearance

Notes: Ships direct from manufacturer

Specifications

More Information
CNC Part Number	UEM-IC990-125
Price	$855.55
Manufacturer's Part Number	IC990-125
Brands	Icon
Part Types	Engine Piston
Departments	Parts
Vehicle Make	Chevy BB
Bore Size	4.375
Crankshaft Stroke	4.000
Rod Length	6.135
Piston Type	Dome
Compression Height	1.645
Piston Material	2618 Forged
Piston Ring Size	1/16 1/16 3/16
Wrist Pin Size	0.990
Custom Notices	⚠ PROP 65 WARNING

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