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Home Engines Short Block Engines ATK High Performance Chevy 377 Stroker Short Blocks SP15NB
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ATK High Performance Chevy 377 Stroker Short Blocks SP15NB

$1,855.00

CHEVY 377 STROKER SHORT BLOCK

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Category: Short Block Engines
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Description

Overview

Brand: ATK High Performance Engines
Manufacturer’s Part Number: SP15NB
Part Type: Short Block Engines
Product Line: ATK High Performance Chevy 377 Stroker Short Blocks
Summit Racing Part Number: HPE-SP15NB
UPC: 00653517678981
Crate Engine Family: Chevy Small Block
Actual Engine Displacement: 6.2L/377
Rear Main Seal Style: 1-piece
Crankshaft Material: Nodular iron
Piston Material: Hypereutectic 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: 2-bolt
Main Journal Type: Chevy 350
Engine Balance: Internal/External
Oil Pan Included: No
Timing Cover Included: No
Harmonic Balancer Included: No
Flexplate Included: No
Flywheel Included: No
Assembled: Yes
Remanufactured: No
Quantity: Sold individually.

ATK High Performance Chevy 377 Stroker Short Blocks

Looking to upgrade your old engine using your existing heads? ATK high performance Chevy 377 Stroker short blocks use a 100 percent new American-made cast iron block outfitted with a Scat crank kit. All the hard work is done, you just need to finish it off. These crate engines are available with forged H-beam or I-beam connecting rods; dish top or flat top pistons; forged 4340 steel or nodular iron crankshaft; and other options.

Note: Performance short blocks are based on dyno-proven combinations built with name brand parts. Stroker engine built over size of stock stroke. Short block strapped and shipped on wooden pallet crate.

Applications

Make: CHEVROLET
Beginning Year: 1986
Ending Year: 2002
Engine Type: V8
Engine Size: 5.7L/350
Engine Family: Chevy small block Gen I
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.

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    • Phone: +1 (714) 694-3374
    • E-mail: sales@xfactorsmotorsports.com
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