• inventory
    • Brake Systems
    • Chassis & Suspension
      • Chassis Components
      • Steering Components
      • Suspension Components
    • Engines
      • Car Engine
      • Crate Engines
        • Short Block Engines
      • Engine and Transmission Combos
      • Horizontal Engines
      • Vertical Shaft Engine For Sale
    • Exhaust
    • Generators
      • Commercial Generators
      • Generator Transfer Switch
      • Standby Generators
      • Generators, Marine Generators
      • Marine Generators
    • Ignitions & Electrical
    • Inboard and Sterndrives
    • Outboard Motors
      • Evinrude Outboard Motors
      • Honda Outboard Motors
      • Mercury Outboard Motors
      • Nissan Outboard Motors
      • Suzuki Outboards Motors
      • Tohatsu Outboard Prices
      • Yamaha Outboard Engines For Sale
    • Transmission and Drivetrain
      • Automatic Transmissions
      • Manual Transmissions
      • Engine Drives
    • Welding Machine
      • MIG Welders
      • Stick Welders For Sale
      • TIG Welders For Sale
  • OUR SERVICES
    • Boats and Outboards Services
    • Engine Services
    • Parts Request
    • Service Appointment
  • Customer Corner
    • Company
    • FAQ
    • Newsletter Signup
    • Our Videos
    • News & Events
  • Finance
    • Financial Department
    • Get Financed
  • Warranty
  • Dealer Info
    • Careers
    • Contact us
    • Customer Reviews
Login / Register
Search
Wishlist
0 items $0.00
Menu
0 items $0.00
Click to enlarge
Home Engines Short Block Engines ATK High Performance Chevy 427 Dart Race Series Short Blocks SP48
ATK High Performance Chevy 540 Dart Race Series Short Blocks SP44
ATK High Performance Chevy 540 Dart Race Series Short Blocks SP44 $4,180.00
Back to products
BluePrint Builder Series 632/815HP Standard Edition EFI Crate Engine and 4L80E Transmission Combos B632FK4L8
BluePrint Builder Series 632/815HP Standard Edition EFI Crate Engine and 4L80E Transmission Combos B632FK4L8 $25,990.00

ATK High Performance Chevy 427 Dart Race Series Short Blocks SP48

$3,435.00

Engine Assembly, Short Block, 2-Piece Main Seal, Chevy, Small Block, 427, Each

Compare
Add to wishlist
Category: Short Block Engines
Share:
  • Description
  • Shipping & Delivery
Description

Overview

Brand: ATK High Performance Engines
Manufacturer’s Part Number: SP48
Part Type: Short Block Engines
Product Line: ATK High Performance Chevy 427 Dart Race Series Short Blocks
Summit Racing Part Number: HPE-SP48
UPC: 653517226267
Crate Engine Family: Chevy Small Block
Actual Engine Displacement: 7.0L/427
Rear Main Seal Style: 2-piece
Crankshaft Material: Forged 4340 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
Main Bolt Style: 4-bolt
Deck Height (in.): 9.025 in.
Engine Balance: Internal
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 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

Shipping & Delivery
wd-ship-1
wd-ship-2

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.

Related products

ATK High Performance Chevy 377 Stroker Short Blocks SP15NB

Short Block Engines
$1,855.00
Add to cart
Compare
Quick view
Add to wishlist

ATK High Performance Chevy 383 Stroker Short Blocks SP53

Short Block Engines
$2,319.00
Add to cart
Compare
Quick view
Add to wishlist

ATK High Performance Chevy LS 408 Short Blocks SP26

Short Block Engines
$2,690.00
Add to cart
Compare
Quick view
Add to wishlist

ATK High Performance Chevy LS 408 Short Blocks SP38-B

Short Block Engines
$2,945.00
Add to cart
Compare
Quick view
Add to wishlist

ATK High Performance Chrysler 408 Mag Stroker Short Blocks SP57

Short Block Engines
$2,765.00
Add to cart
Compare
Quick view
Add to wishlist

Dart Small Block Ford 347 C.I.D. Short Block Engines 03213472

Short Block Engines
$4,329.00
Add to cart
Compare
Quick view
Add to wishlist

Ford Performance Parts 427 C.I.D. Boss Short Block Assemblies M-6009-427F

Short Block Engines
$3,869.00
Add to cart
Compare
Quick view
Add to wishlist

Ford Performance Parts 5.0L Gen 3 Aluminator Short Block Crate Engines M-6009-A50NAB

Short Block Engines
$4,189.00
Add to cart
Compare
Quick view
Add to wishlist

    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
    Recent Posts
    • Commercial Mower Engine Maintenance Checklist
      Commercial Mower Engine Maintenance Checklist | Pro Landscaper Guide
      October 27, 2025 No Comments
    • Godzilla Platform
      Big-Inch Pushrod V8s: Why the Ford Godzilla Platform is a Game Changer
      October 27, 2025 No Comments
    Our stores
    • New York
    • London SF
    • Edinburgh
    • Los Angeles
    • Chicago
    • Las Vegas
    USEFUL LINKS
    • Privacy Policy
    • Returns
    • Terms & Conditions
    • Contact Us
    • Latest News
    • Shipping Policy
    Footer Menu
    • Financial Department
    • Get Financed
    • Parts Request
    • Service Appointment
    • Warranty
    • Careers
    X Factors Motorsports. 2025 Power By Partners Title SC LLC..
    payments
    • inventory
      • Brake Systems
      • Chassis & Suspension
        • Chassis Components
        • Steering Components
        • Suspension Components
      • Engines
        • Car Engine
        • Crate Engines
          • Short Block Engines
        • Engine and Transmission Combos
        • Horizontal Engines
        • Vertical Shaft Engine For Sale
      • Exhaust
      • Generators
        • Commercial Generators
        • Generator Transfer Switch
        • Standby Generators
        • Generators, Marine Generators
        • Marine Generators
      • Ignitions & Electrical
      • Inboard and Sterndrives
      • Outboard Motors
        • Evinrude Outboard Motors
        • Honda Outboard Motors
        • Mercury Outboard Motors
        • Nissan Outboard Motors
        • Suzuki Outboards Motors
        • Tohatsu Outboard Prices
        • Yamaha Outboard Engines For Sale
      • Transmission and Drivetrain
        • Automatic Transmissions
        • Manual Transmissions
        • Engine Drives
      • Welding Machine
        • MIG Welders
        • Stick Welders For Sale
        • TIG Welders For Sale
    • OUR SERVICES
      • Boats and Outboards Services
      • Engine Services
      • Parts Request
      • Service Appointment
    • Customer Corner
      • Company
      • FAQ
      • Newsletter Signup
      • Our Videos
      • News & Events
    • Finance
      • Financial Department
      • Get Financed
    • Warranty
    • Dealer Info
      • Careers
      • Contact us
      • Customer Reviews
    • Wishlist
    • Compare
    • Login / Register
    Shopping cart
    Close
    Sign in
    Close

    Lost your password?

    No account yet?

    Create an Account
    Start typing to see products you are looking for.
    Shop
    Wishlist
    0 items Cart
    My account