Engines and Components› Crankshafts and Components

Manley Performance

Manley Rotating Assembly, SBC 383 3.750 STROKE/-4cc FLAT

$3,540.42

SKU: M004 290135RHX

In Stock
In Stock
Ships by Jun 9
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Advanced — 4+ hours

Description

Complete rotating assembly for SBC 383 stroker builds, featuring a lightweight 4340 forged steel crankshaft, 4340 forged steel H-Beam connecting rods, and 2618 forged aluminum Platinum Series pistons with Premium Chrome Moly wrist pins.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandManley Performance
Part NumberM004 290135RHX

Videos

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Chevrolet Performance SP383 Crate Engine
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The Shocking Truth About the 383 Stroker – Built by Gearheads, Not by GM!
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Top 5 Best 383 Stroker Crate Engine [Review] | 383 All Iron Stroker/383 Dressed Model [2026]
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350 383 400 SBC Chevy - Which one should you build?? What will work best in this 1968 Chevelle??
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Chevrolet Crate Engines Explained: 383 Stroker, 454 Big Block, 350 Crate Motor & More!
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The Shocking Truth Behind Chevy 383 Stroker Engine!
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Top End Installation On A 383 Chevy Stroker Small Block - Horsepower S17, E6

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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