Engines and Components› Engines, Blocks and Components

BLUEPRINT ENGINES

ENGINE PULLEY KIT

$1,995.75

SKU: B05J BPP632FDPSAC3

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Professional / shop required

Overview

The BluePrint Engines 632 c.i. Pro Series Stroker Crate Engine (Blackout Reaper Edition) is a high-performance GM Big Block-style engine designed for race applications, engine swaps, and custom vehicle builds. This fully dressed engine produces 815 HP and 775 FT-LBS of torque and comes complete with high-end components including a Holley GEN III Ultra Dominator carburetor, forged rotating assembly, and Pro Series cylinder heads.

This crate engine features a tall-deck cast iron block with 4-bolt mains, a 1-piece rear main seal, and a forged crankshaft with a 4.750-inch stroke. The engine is configured with a 11.0:1 compression ratio and includes a hydraulic roller camshaft with .698/.698-inch lift, providing robust power across the RPM range.

This is a universal-fit component intended for custom installations. Installers must verify engine bay clearance, as the tall-deck design is 0.400 inches taller and wider than a standard block, and features 0.300-inch raised exhaust ports which may require custom headers or engine mount adjustments.

Engine is intended for off-road/race use only and is not compliant for use in pollution-controlled vehicles. Professional installation is recommended to ensure proper cooling, fueling, and drivetrain compatibility with the vehicle's specific transmission and chassis constraints.
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ENGINE PULLEY KIT

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandBLUEPRINT ENGINES
Part NumberB05J BPP632FDPSAC3

Videos

632 HP Dyno Run

632 HP Dyno Run
Unboxing 632 Blackout Reaper

Unboxing 632 Blackout Reaper

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Returns & Fitment

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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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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