JE 243321 Forged Big Duke/Big Chief 18 Degree Nitrous Pistons 4.600 Bore

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$954.95

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Part Number: JE-243321

Manufacturer: JE

Quick Overview

Big Block Chevy 632, Bore 4.600, Stroke 4.750, Rod Length 6.700, Dome +20cc, 632 Grams, Set of 8

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JE 243321 Forged Big Duke/Big Chief 18 Degree Nitrous Pistons 4.600 Bore

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Product Description

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  • These pistons are specifically designed for Big Duke/Big Chief cylinder heads and feature JE's 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. Pin #990-2930-18-51S (174g), double spiro locks #990-042-CS, and vertical and lateral gas ports are included.

    Compression ratio with 87cc Heads 17.5:1
    Compression ratio with 97cc Heads 15.6:1

    Additional Information

    SKU JE-243321
    Manufacturer JE
    Vehicle Make Chevy BB
    Bore Size 4.600
    Wrist Pin Size 0.990
    Piston Material 2618 Forged
    Compression Height 1.120
    Piston Ring Size .043 1/16 3/16
    Piston Type Dome +20cc
    Rod Length 6.700
    Crankshaft Stroke 4.750
    List price No
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