Sale

BluePrint

383 Cubic Inch Long Block Crate Engine

$7,699.00 $6,199.00 Save $1,500.00

SKU: BP38318CT1

In Stock
In Stock
Ships by Aug 29
Free Shipping over $200
$100 Minimum Order
30 Days Return

Description

The BluePrint Engines BP38318CT1 is a 383 cubic inch (6.3L) long block crate engine designed for GM small block applications. It delivers an impressive 436 horsepower and 443 ft-lbs of torque, built with a 10.0:1 compression ratio. This engine features a new BluePrint high-strength cast iron block with a 4-bolt main design and a 1-piece rear main seal. The rotating assembly includes a steel crankshaft with a 3.75-inch stroke and 5.7-inch connecting rods, paired with hypereutectic pistons. It is externally balanced both front and rear. Equipped with BluePrint Engines aluminum cylinder heads (H8002K) featuring 64cc chambers, 2.02-inch intake valves, and 1.60-inch exhaust valves, this engine also sports a hydraulic roller camshaft with .544 intake lift and .555 exhaust lift, and 230/236 duration at .050 with a 110 LSA. It includes a timing cover, dipstick, oil pan, and valve covers. Note that this engine is not for EGR applications.

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
Part NumberBP38318CT1
CategoryEngines and Components

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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.

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