Engines and Components› Crankshafts and Components

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CHEVY 454 MAIN 2PC REAR SEAL COMPETITION STANDARD WEIGHT FORGED ROTATING ASSEMBLY UNBALANCED

$3,308.34

SKU: S01L 1-42310

In Stock
In Stock
Ships by Jun 11
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Advanced — 4+ hours

Description

This SCAT rotating assembly is designed for Big Block Chevy (BBC) 454 engines to create 489 or 496 stroker builds. The kit includes: 4340 forged standard weight crankshaft with a 4.250" stroke, Pro Sport H-Beam connecting rods with 7/16" cap screws (6.385" length), Mahle forged -3cc flat top pistons, premium performance ring set, and performance rod and main bearings. It features a 2-piece rear main seal and requires balancing before installation.

Fitment

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Specifications

BrandScat
Part NumberS01L 1-42310

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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