JE Pistons 258210 Forged Open Chamber Dome 4.280 Bore, Standard Deck

JE Pistons, BBC 489, Bore 4.280, Stroke 4.250, Rod Length 6.535, Dome +44cc, 540 Grams, Set of 8

$1,076.99

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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

JE Pistons for big blocks engines are compatible with forced induction, nitrous, and angle milled heads. Valve reliefs will accommodate oversized valves and long duration, tight lobe separation cams. Compression Height figured using 10.180" block height with zero deck clearance. Precision CNC machined ring grooves accept 1/16, 1/16, 3/16 rings. Will fit both open and closed chamber cylinder heads.

Includes:

Pin #990-2930-18-51S (174g)

Double spiral locks (#990-042-CS)

Compression Ratio:

110cc 14.3:1

118cc 13.0:1

124cc 12.2:1
Note: *Made to order. Oil rail supports included.*

Specifications

More Information
CNC Part Number	JE-258210
Price	$1,076.99
Manufacturer's Part Number	258210
Brands	JE
Part Types	Engine Piston
Departments	Parts
Vehicle Make	Chevy BB
Bore Size	4.280
Crankshaft Stroke	4.250
Rod Length	6.535
Piston Type	Dome
Compression Height	1.120
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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