Engines and Components Engines, Blocks and Components

BLUEPRINT ENGINES

GM LS COMPATIBLE 427 C.I. PRO SERIE

$16,791.67

SKU: B05J PSLS42781CTF

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Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Advanced — 4+ hours

Description

This powerhouse engine delivers 585 horsepower and 520 ft. lbs. of torque. It features a BluePrint Engines high-strength cast iron LSX-style block with forged internals (crank and pistons) for durability. The 11:1 compression ratio, LS3 aluminum heads, and hydraulic roller cam enhance airflow and power. It includes a cast aluminum LS3 intake manifold, high-performance injectors, fuel rail kit, drive-by-wire throttle body, LS swap oil pan, water pump, and gas pedal. The Holley Terminator X Max system provides advanced engine management.

Fitment

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Specifications

BrandBLUEPRINT ENGINES
Part NumberB05J PSLS42781CTF

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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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