Engines and Components› Engines, Blocks and Components

BLUEPRINT ENGINES

SHORTBLOCK PLUS

$11,736.12

SKU: B05J PSLS4270SP

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

Advanced — 4+ hours

Description

The BluePrint Engines PSLS4270SP is a ProSeries LS 427 C.I. Short Block Plus crate engine, designed for high-performance custom builds and swaps compatible with GM LS-based platforms. It features a 427 C.I. engine with a new 6.2L block, forged crank and rods, and a performance roller cam.

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

BrandBLUEPRINT ENGINES
Part NumberB05J PSLS4270SP

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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