ATK HP20C-EFI Ford 347 Stroker Complete Engine 410HP (Fox Body Pan)



Lead Time: Core Issues No Solid ETA


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  • $550 Core charge - $550.00


Engine Specifications:
• HP: 415
• TQ: 430
• Block: Seasoned OE Roller Block 1987-1995
• Bore/Stroke: 4.040 x 3.400
• Displacement: 347CI
• Crankshaft: Scat nodular iron external balance 28oz
• Rods: Scat 4340 forged I beam with ARP 8740 bolts
• Pistons: Forged 10:1 compression
• Rings: Moly
• Camshaft: Hyd. Roller
• Cam Specs: 220/224 @50 .512in/.512ex 112LSA
• Timing Chain: Double roller
• Cylinder Heads: Dart aluminum 58cc/170cc 2.02/1.60
• Rocker Arms: Aluminum 1.6 roller rockers
• Oil Pan: Fox Body (Mustang Dual Sump)
• Oil Pump: Melling high volume
• Balancer: External balance 28oz (with Scat kit)
• Flexplate/Flywheel: External balance 28oz 164 tooth (with Scat kit)
• Intake Manifold: Edelbrock performer RPM #7121
• EFI System: Fitech Go EFI 4 600HP (throttle body, wire harness and hand held unit included)
• Fuel Pump: Not Provided – must run electric pump or mechanical fuel pump with Fitech Fuel Command Center
• Distributor: Pro Billet (upgraded melonite gear) MUST RUN MSD IGNITION BOX FOR TACH SIGNAL
• Spark Plugs: Autolite #3923
• Spark Plug Wires: 8mm
• Water Pump: OE reverse rotation LH inlet

Engine Info:
• Oil: Conventional / Non Synthetic 10W30
• Oil Filter: Wix or K&N
• Timing: 34-36 Degrees
• Spark Plug Gap: .035”
• Firing Order: 13726548
• Octane: 91+
• Stall Converter: 2400-2800
• Exhaust: 1 5/8


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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