Keith Black KB375-STD Hypereutectic Dome Pistons 4.125 Bore

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Availability: Out of stock


Part Number: KB375-STD

Manufacturer: Keith Black

Quick Overview

SB Chevy 400, Bore 4.125, Stroke 3.750, Rod Length 6.000, Dome +11cc, Set of 8

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Keith Black KB375-STD Hypereutectic Dome Pistons 4.125 Bore

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Product Description

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  • Keith Black Performance Pistons are offered in Hypereutectic 390 alloy and Forged 4032 low expansion alloy. Their 4032 alloy is preferred for high performance / high compression applications. They offer offset wrist pins for a quiet engine and most have coated skirts. The low expansion alloy allows for a tighter piston to wall running clearance.

    Compression Ratio with 62cc Heads 14.9:1
    Compression Ratio with 64cc Heads 14.5:1
    Advertised piston weight 484 grams, 145 gram wrist pin.

    Additional Information

    SKU KB375-STD
    Manufacturer Keith Black
    Vehicle Make Chevy SB
    Bore Size 4.125
    Wrist Pin Size 0.927
    Piston Material Hypereutectic
    Compression Height 1.130
    Piston Ring Size 1/16 1/16 3/16
    Piston Type Dome +11cc
    Rod Length 6.000
    Crankshaft Stroke 3.750
    List price No
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