Icon FHR Pistons IC9984-004 Fits BBC 502 Dome 10cc Bore 4.470

Fits BB Chevy 489, Bore 4.470, Stroke 4.000, Rod Length 6.135, Dome 10cc, Compression Height 1.645, Set of 8 Pistons

Special Price $687.33 Regular Price $708.59

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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.

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Description

Chevy Icon Forged Premium Pistons are forged from 4032 alloy. With an 11% silicon content 4032 alloy controls the thermal expansion so a tighter piston to wall clearance may be used over a 2618 alloy. The additional silicon also decreases the wear on the skirts and pin bores. This material makes these Icon Pistons ideal for street and mild boosted applications

Crown and valve reliefs are cnc machined

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 included

5/64 x 5/64 x 3/16 rings not included

Compression Ratio 96.5cc 11.6:1, 105cc 10.7:1, 119cc 9.5:1

Advertised piston weight 736 grams, 141 gram wrist pin

OE Deck Height 9.800"

Note: Standard bore size is 4.466

Note: Centered Pin. No mini grooves on top land. Fits both open and closed chamber heads

Specifications

More Information
CNC Part Number	UEM-IC9984-004
Price	$708.59
Sold As	Set
Manufacturer's Part Number	IC9984-004
Brands	Icon
Part Types	Engine Piston
Departments	Parts
Vehicle Make	Chevy BB
Bore Size	4.470
Crankshaft Stroke	4.000
Rod Length	6.135
Piston Type	Dome
Compression Height	1.645
Piston Material	4032 Forged
Piston Ring Size	5/64 5/64 3/16
Wrist Pin Size	0.990
Custom Notices	⚠ PROP 65 WARNING

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