ATK HP81 Ford 408 Stroker Base Engine 480HP

$7,933.00

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Lead Time: Core Issues No Solid ETA

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Description

Engine Specifications:
• HP: 480
• TQ: 500
• Block: Seasoned OE roller block 1993-1997
• Bore/Stroke: 4.040 x 4.000
• Displacement: 408
• Crankshaft: Scat 4340 forged internal balance
• Rods: Scat 4340 forged H beam with ARP 8740 bolts
• Pistons: Forged 10.1 compression
• Rings: Moly
• Camshaft: Hyd. Roller
• Cam Specs: 235/238 @50 .573in/.582ex 112LSA
• Timing Chain: Double roller
• Cylinder Heads: Dart aluminum 58cc/195cc 2.02/1.60
• Rocker Arms: Aluminum 1.6 roller rockers
• Oil Pan: Moroso front sump 7qt street/strip pan
• Oil Pump: Melling high volume

Recommended Components:
• Balancer: Internal balance
• Flexplate/Flywheel: Internal balance
• Intake Manifold: Edelbrock performer RPM air gap dual plane #7581
• Distributor: Pro billet (with upgraded melonite or steel gear)
• Water Pump: Per application
• Carburetor: Quick Fuel 780CFM vacuum secondary’s electric choke #HR-780
• Fuel Pump: Holley mechanical 110GPH #12-289-11
• Spark Plugs: Autolite #3923
• Spark Plug Wires: 8mm

Engine Info:
• Oil: Conventional / Non Synthetic 10W30
• Oil Filter: Wix or K&N per application
• Timing: 34-36 Degrees
• Spark Plug Gap: .035”
• Firing Order: 13726548
• Octane: 91+
• Stall Converter: 2500+
• Exhaust: 1 3/4 Headers

Disclaimer: The parts listed are ATK’s recommendations of parts to be used to obtain our power figures listed. Power figures can vary based on parts used by the end user. 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.

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