Engines and Components› Engines, Blocks and Components

BLUEPRINT ENGINES

LONGBLOCK

$11,013.89

SKU: B05J BP4003CT1

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

Advanced — 4+ hours

Description

This power adder engine is engineered to handle any type of forced induction. Whether you’re adding nitrous, a supercharger, or turbos, this long block has the strength and reliability to take the boost.

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 BP4003CT1

Videos

SEMA 2015: The 400 is Back from BluePrint Engines

SEMA 2015: The 400 is Back from BluePrint Engines
Blueprint Engines Small Block Chevy 400

Blueprint Engines Small Block Chevy 400
70 Chevy Truck 500hp 400ci BluePrint Crate Engine Intro

70 Chevy Truck 500hp 400ci BluePrint Crate Engine Intro

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.

View Full Return Policy