Engines and Components Pistons and Piston Rings

Scat

LS1 LS SERIES 58X RELUCTOR COMPETITION STD WEIGHT FORGED ROT ASSEM 4.000 IN 6.125 IN ROD LENGTH 4.0

$3,734.45

SKU: S01L 1-44203

In Stock
In Stock
Ships by Jun 20
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Non-Returnable Item
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Description

The SCAT Chevy LS Series 403 Forged Rotating Assembly (MPN 1-44203) is a high-performance stroker kit for Chevrolet LS1 and LS2 engines, designed to achieve a 403 cubic inch displacement. It includes an LS1 4340 Forged 58X Crankshaft, Pro Series I-Beam Connecting Rods, Forged Autotec Dish Pistons, rings, and bearings. This assembly is unbalanced and requires balancing before installation.

Fitment

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Specifications

BrandScat
Part NumberS01L 1-44203

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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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