Engines and Components Engines, Blocks and Components

Scat

CHEVY 350 MAIN 2PC REAR SEAL COMPETITION SUPERLIGHT ROTATING ASSEMBLY UNBALANCED

$5,391.67

SKU: S01L 1-40576

In Stock
In Stock
Ships by Jun 9
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Non-Returnable Item
INSTALL DIFFICULTY
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Advanced — 4+ hours

Description

The Scat 1-40576 is a high-performance forged rotating assembly for Small Block Chevy (SBC) engines, designed for stroker applications (427-434 cubic inches). It includes a 4340 Forged Superlight Crankshaft, Ultra Q-Lite H-Beam Connecting Rods, Mahle Premium Pistons, rings, and rod & main bearings. This assembly is specifically for engines with a 350 main journal and a 2-piece rear main seal, common in Chevrolet vehicles from the late 1950s to 1985.

Fitment

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Specifications

BrandScat
Part NumberS01L 1-40576

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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