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Home Engines Short Block Engines BluePrint Engines GM 383 C.I.D. Stroker Short Block Plus Engines BP38321SP
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BluePrint Engines GM 383 C.I.D. Stroker Short Block Plus Engines BP38321SP

$3,689.00

Crate Engine, Shortblock Plus 383, 350 Stroker Motor, SBC, New BluePrint Block, Roller Cam, Forged Internals

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Category: Short Block Engines
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Description

Overview

Brand: BluePrint Engines
Manufacturer’s Part Number: BP38321SP
Part Type: Short Block Engines
Product Line: BluePrint Engines GM 383 C.I.D. Stroker Short Block Plus Engines
Summit Racing Part Number: MLL-BP38321SP
UPC: 816671020564
Crate Engine Family: Chevy Small Block
Actual Engine Displacement: 6.2L/377
Rear Main Seal Style: 1-piece
Crankshaft Material: Forged steel
Piston Material: Forged aluminum
Short Block Piston Style: Dish
Connecting Rod Material: Forged 4340 steel
Connecting Rod Beam Style: I-beam
Engine Block Material: Cast iron
Main Bolt Style: 4-bolt
Main Journal Type: Chevy 350
Deck Height (in.): 9.025 in.
Engine Balance: Internal/External
Oil Pan Included: Yes
Timing Cover Included: Yes
Harmonic Balancer Included: Yes
Flexplate Included: No
Flywheel Included: No
Assembled: Yes
Remanufactured: No
Quantity: Sold individually.
Notes:
Pistons have a +18cc dish and Hastings moly rings. Includes a high volume oil pump and a hydraulic roller camshaft. Camshaft specifications @0.050: 0.495 in. intake/ 0.502 in exhaust, 220 degree intake/ 224 degree exhaust. Lobe separation is 114 degrees. Internally balanced (neutral) front 8” harmonic balancer and late-style 1986-up style 350 flexplate required.

BluePrint Engines GM 383 C.I.D. Stroker Short Block Plus Engines

BluePrint Engines GM 383 c.i.d. short block plus stroker engines are always balanced and dyno-tested. Whether you’re building a kit car, race car, hot rod, or just a sweet old memory, BluePrint Engines are ready to add a lot of muscle to your fun!

Block details:

* 4-bolt main
* Passenger side dipstick
* Cylinder wall thickness “sonic-tested”
* Cylinders computer-honed to tolerance of .0002 in.

Rotating assembly details:

* Crankshaft
* Pistons
* Connecting rods
* Moly rings
* High-volume oil pump
* Heavy-duty single roller timing set
* Harmonic balancer
* Hydraulic roller camshaft and lifters
* Oil pan
* Brass freeze plugs

 

Shipping & Delivery
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Effective Date: August 9, 2025

At X Factors Motorsports, we are committed to delivering your order quickly, securely, and affordably.


1. Processing Time

  • Orders are typically processed within 1–2 business days after payment is confirmed.

  • Orders placed on weekends or holidays will be processed on the next business day.


2. Delivery Times

  • Domestic Shipping (United States): Delivery takes 5–7 business days from the date of shipment.

  • International Shipping: Delivery times vary by destination and may take 7–21 business days depending on customs processing and local delivery services.


3. Shipping Rates

  • United States: Free standard shipping on all orders.

  • International: Shipping costs are calculated at checkout based on the delivery address, package weight, and destination country.


4. Carriers Used

We ship orders using trusted carriers such as UPS, FedEx, USPS, and DHL to ensure reliable delivery. Tracking numbers are provided for all shipments.

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    At X Factors Motorsports, we specialize in high-performance engines, outboards, and premium automotive equipment. With expert support, fast shipping, and trusted brands, we help builders, racers, and enthusiasts power their passion — one project at a time.

    • 1204 E Yorba Linda Blvd, Placentia, CA 92870, USA
    • Phone: +1 (714) 694-3374
    • E-mail: sales@xfactorsmotorsports.com
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