ATK SP22 Ford 520CI Stroker Short Block -36cc Dished Pistons Forged Crank Kit

Description

Engine Specifications:

• Block: Seasoned OE block 1988-1992
• Bore/Stroke: 4.400” x 4.300”
• Displacement: 520CI
• Crankshaft: Scat 4340 forged internal balance
• Rods: Scat 4340 H beam with ARP 8740 bolts
• Pistons: 2618 Forged -38cc dished
• Compression Ratios: 74cc = 9.7:1 / 80cc = 9.3:1 / 94cc = 8.5:1 (can vary due to deck height/gasket thickness)
• Rings: Plasmamoly
• Camshaft Bearings: Dura-Bond, installed and clocked to OEM position
• Freeze Plugs: Brass, installed and sealed
• Oil Galley Plugs: Installed and sealed

Recommended Components:
• Balancer: Internal balance
• Flexplate/Flywheel: Internal balance per application
• Head Gasket: .039” or per application

Engine Info:
• Oil: 10W30 Non synthetic for first 3000 miles
• Oil Filter: Wix or K&N per application

Disclaimer: The recommended components listed are ATK’s recommendations of parts to be used, applications vary and your build may need something different. Contact ATK for a recommendation if you’re not certain about a component to use. It is the customer’s responsibility to verify components will work in their application. Some modifications to the vehicle may be required using these and or other aftermarket parts. . ATK reserves the right to substitute parts used in engines if necessary.