Engines and Components› Engines, Blocks and Components

BLUEPRINT ENGINES

SBC Crate Engine - 383 Base w/Aluminum Heads

$7,791.67

SKU: B05J BP38318CT1

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

Moderate — 2–4 hours

Description

The BluePrint Engines BP38318CT1 is a GM Small Block Compatible performance crate engine featuring a 4-inch bore and 3.75-inch stroke, yielding 377 CID. It's a customizable engine, with horsepower and torque potentially varying based on the fuel system used. This long block comes with a timing cover, dipstick, oil pan, and valve covers.

Fitment

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Specifications

BrandBLUEPRINT ENGINES
Part NumberB05J BP38318CT1

Videos

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Blueprint engines stroker 383 SBC chop
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We Put a 450hp Blueprint 383 stroker into my 1970 Chevelle!
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Top 5 Best 383 Stroker Crate Engine [Review] | 383 All Iron Stroker/383 Dressed Model [2026]

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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