Engines and Components Engines, Blocks and Components

BluePrint Engines

400 c.i. Standard Edition Builder Series Engine and Transmission Package

$17,599.00

SKU: B400K700

In Stock
In Stock
Ships by Jul 29
Free Shipping
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Professional / shop required

Description

The GM B400K700 is a 400 c.i. engine and 700R4 automatic transmission package designed for GM small block compatibility. This Standard Edition Builder Series package delivers 500 horsepower and 510 ft-lbs of torque.

It features BluePrint Engines aluminum cylinder heads, a hydraulic roller camshaft, forged pistons, and a forged crankshaft with a 3.750" stroke. The engine block is a high-strength cast iron unit with provisions for clutch linkage and a mechanical fuel pump. The package includes a Holley 750cfm carburetor, a dual-plane satin aluminum intake manifold, and a polished front accessory drive with a reverse rotation water pump, power steering pump, and 140amp alternator.

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 NumberB400K700
CategoryEngines and Components

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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