ATK High Performance Chevy 427 Dart Race Series Short Blocks SPE4271500

$5,255.00

Engines, Dart Short Block, 427 C.I.,, Cast Iron, 4.125 Bore, 4.00 Stroke, Flat Top Forged Aluminum Pistons, H Beam Connecting Rod, LS, Chevy, Each

Description

Overview

Name: ATK High Performance Chevy 427 Dart Race Series Short Blocks SPE4271500 - X Factors Motorsports
Price: 5255.00 USD
Availability: InStock

Brand: ATK High Performance Engines

Manufacturer’s Part Number: SPE4271500

Part Type: Short Block Engines

Product Line: ATK High Performance Chevy 427 Dart Race Series Short Blocks

Summit Racing Part Number: HPE-SPE4271500

Crate Engine Family: Chevy LS

Actual Engine Displacement: 7.0L/427

Crankshaft Material: Billet steel

Piston Material: Forged aluminum

Short Block Piston Style: Flat top

Connecting Rod Material: Forged 4340 steel

Connecting Rod Beam Style: H-beam

Engine Block Material: Cast iron

Engine Balance: Internal

Oil Pan Included: No

Timing Cover Included: No

Harmonic Balancer Included: No

Flexplate Included: No

Flywheel Included: No

Assembled: No

Remanufactured: No

Quantity: Sold individually.

ATK High Performance Chevy 427 Dart Race Series Short Blocks

Big power requires a solid foundation, so start your next build with one of these ATK High Performance Chevy 427 Dart Race Series short blocks. These short blocks are built, balanced, and blueprinted to be the strongest and most reliable short block available for your race car or hardcore street car.

These ATK High Performance Chevy 427 Dart Race Series short blocks include the following:

* Dart SHP block
* Aligned and honed main bores
* 4340 forged crankshaft
* 4.00 in. stroke
* 4340 forged H-beam connecting rods
* Forged flat-top pistons

Applications

Make: CHEVROLET

Engine Type: V8

Engine Size: 6.3L/383

Engine Family: Chevy small block Gen III/IV (LS-based engines)

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Shipping & Delivery

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.

ATK High Performance Chevy 427 Dart Race Series Short Blocks SPE4271500

Overview

Applications

Reviews

1. Processing Time

2. Delivery Times

3. Shipping Rates

4. Carriers Used

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ATK High Performance Chevy 427 Dart Race Series Short Blocks SPE4271500

Overview

Applications

Reviews

1. Processing Time

2. Delivery Times

3. Shipping Rates

4. Carriers Used

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