
SP22 High Performance Short Block Big Block Ford 520ci
ATK Core Return Process
JEGS and ATK appreciate your business and want to ensure that your core return is as smooth as possible.
Please CLICK HERE for ATK Core Return Process
NOTE:
- Core return can be any Big Block Ford 460ci engine
This short block offers big cubes and one of the strongest stroker kits Scat offers.
Block Information:
- Seasoned OE 460 block 1988-1992
- Bore/Stroke: 4.400" x 4.300"
- Displacement: 520ci
- Camshaft Bearings: Dura-Bond, installed and clocked to OEM position
- Freeze Plugs: Brass, installed and sealed
- Oil Galley Plugs: Installed and sealed
Rotating Assembly:
- Crankshaft: Scat 4340 forged
- Balance: Internally
- Rods: Scat 4340 forged H beam 6.700" with ARP 8740 bolts
- Compression Ratio: 74cc= 9.7:1 / 80cc= 9.3:1 / 94cc= 8.5:1
- Pistons: 2618 forged dish -38cc
- Rings: Plasmamoly
Recommended Components:
- Balancer: Internal
- Flexplate/Flywheel: Internal
- Head Gasket: .039" thickness or per application
- Oil: 10W30 Non syntheitc for first 3000 miles
- Oil Filter: Wix or K&N per application
In 2007, ATK launched a High Performance Division with one of the finest engine shops in the country. By reverse engineering all of their engines, they are able to eliminate any OEM deficiencies. This makes an ATK built crate engine have a superior design over the original engine by incorporating better components when needed. ATK short blocks will start any build with a solid foundation. Ford short blocks are generally packaged as the engine block assembled with pistons, piston rings, and crankshaft installed.
Show More
Power up your project with the ATK HP Crate Engines Ford Short Blocks, designed to deliver superior performance and reliability for your Ford engine builds. Ideal for those looking to upgrade or replace their current short block, these precision-engineered components are perfect for high-performance street and track builds.
The 351W short block is a popular choice among Ford enthusiasts, offering an excellent foundation for building a robust and reliable engine. With high-quality materials and expert craftsmanship, this short block is built to withstand high horsepower and torque, ensuring long-lasting performance and durability.
If you're seeking a 351 Windsor short block, ATK delivers a complete solution that combines reliability with proven power. This short block provides the ideal starting point for building a strong and efficient engine that performs at the highest level, whether you're racing or cruising on the street.
For those in need of a Ford 351 short block, ATK's crate engine option is a fantastic choice. This well-balanced short block is designed to be an easy drop-in solution for a variety of Ford applications, making it the perfect addition to your performance vehicle.
Whether you're building a new engine from scratch or replacing an existing block, the ATK HP Crate Engines Ford Short Blocks offer the quality and performance that Ford enthusiasts demand. Upgrade your engine with confidence and experience the power, precision, and reliability you need to take your vehicle to the next level.

![Engine Stand [1250 lb. Capacity]](https://www.jegs.com/images/mini_200/500/555/555-80041.jpg)
![Break-In/Engine Oil Supplement [12 oz. Bottle]](https://www.jegs.com/images/mini_200/500/555/555-28060.jpg)
![Black RTV, Temperature Resistant up to 625 Degrees F [3.8 oz. Tube]](https://www.jegs.com/images/mini_200/500/555/555-28035.jpg)
![Engine Assembly Lube [4 oz. Bottle]](https://www.jegs.com/images/mini_200/500/555/555-28000.jpg)