Engines and Components Engines, Blocks and Components

BLUEPRINT ENGINES

DRESSED LONGBLOCK W/ EFI

$20,125.00

SKU: B05J PSLS4273CTFKB

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

Advanced — 4+ hours

Description

The Blueprint Engines 427 cubic inch Pro Series crate engine is a dyno-tested, turnkey powerplant that delivers 605 horsepower and 565 lb-ft of torque, making it an ideal match for Holley’s Terminator X Max 550-931 EFI system. This engine features a BluePrint Engines High Strength cast iron (LSX Style) block with reinforced internals, steel crankshaft, forged rods, and forged pistons, all internally balanced for durability and long-term performance.

Fitment

Fitment Guaranteed

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

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Specifications

BrandBLUEPRINT ENGINES
Part NumberB05J PSLS4273CTFKB

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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