JE Pistons 170672 Forged Big Duke/Big Chief GP 18° 4.560 Bore

JE Pistons, BBC 555, Bore 4.560, Stroke 4.250, Rod Length 6.385, Dome +13cc, 625 Grams, Set of 8

$1,283.99

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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.

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Description

JE Pistons specifically designed for Big Duke/Big Chief cylinder heads and feature our race proven dome and skirt design. Valve reliefs are designed to accept oversized valves and long duration, tight lobe separation roller cams. Precision CNC machined ring grooves accept .043 D-wall, 1/16, 3/16 rings.

Includes:

Pin #990-2930-15-51S (150g)

Forced pin oiler, with annular oil reservoir

Double Spiro locks #990-042-CS

Vertical gas ports

Compression Ratio:

82cc 15.1

87cc 14.3

97cc 12.9
Note: *Oil rail supports included. Made to order.*

Specifications

More Information
CNC Part Number	JE-170672
Price	$1,283.99
Manufacturer's Part Number	170672
Brands	JE
Part Types	Engine Piston
Departments	Parts
Vehicle Make	Chevy BB
Bore Size	4.560
Crankshaft Stroke	4.250
Rod Length	6.385
Piston Type	Dome
Compression Height	1.270
Piston Material	2618 Forged
Piston Ring Size	0.043 D-Wall, 1/16, 3/16
Wrist Pin Size	0.990
Custom Notices	⚠ PROP 65 WARNING