ATK HP100M Ford 347 Stroker Mid Dress Engine 450HP



Lead Time: Core Issues No Solid ETA


This will also add the following products to your cart:

  • $550 Core charge - $550.00


Engine Specifications:
• HP: 450
• TQ: 450
• Block: Seasoned OE roller block
• Bore/Stroke: 4.040 x 3.400
• Displacement: 347
• 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: 231/235 @50 .544in/.565ex 112LSA
• Timing Chain: Double roller
• Cylinder Heads: Dart aluminum 58cc/195cc 2.02/1.60
• Rocker Arms: Aluminum 1.6 roller rockers
• Oil Pan: Front 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 air gap dual plane #7521
• Distributor: Pro billet RTR (upgraded melonite gear)
• Water Pump: Early RH inlet standard rotation

Recommended Components:
• Carburetor: Quick Fuel 680CFM vacuum secondary’s electric choke #HR-680cfm
• 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 with vacuum port plugged on carburetor
• Spark Plug Gap: .035”
• Firing Order: 13726548
• Octane: 91+
• Stall Converter: 2400-2800
• Exhaust: 1 5/8+ 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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