Engines and Components Engines, Blocks and Components

ATK ENGINES

FORD 347 ENGINE 450 HP

$6,921.22

SKU: A040 HP100

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
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Overview

The ATK HP100 is a 347 cubic inch stroker crate engine for Ford vehicles, available in base, mid-dress, or complete configurations. It's rated at 450 horsepower and 440 lb/ft of torque, designed to be street-able with power accessories. The base engine includes a short block, camshaft, timing set, heads, valve covers, timing cover, oil pan, oil pump, flexplate, and harmonic balancer.

Engine Specifications:
HP: 450, TQ: 440, Block: Seasoned OE roller block (1987-1995), Bore/Stroke: 4.040" x 3.400", Displacement: 347ci, Crankshaft: Scat nodular iron (external balance 28oz), Connecting Rods: Scat 4340 forged I beam with ARP 8740 bolts, Pistons: Forged 10:1 compression, Rings: Moly, Camshaft: Hydraulic Roller (231/235 @.050" duration, .544"in/.565"ex lift, 112LSA), Timing Chain: Double roller, Cylinder Heads: ATK HP aluminum (58cc/205cc, 2.08"/1.60" valves), Rocker Arms: Billet aluminum roller rockers 1.6 ratio, 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, Distributor: Pro billet RTR (upgraded melonite gear), Water Pump: Early RH inlet standard rotation, Carburetor: Quick Fuel 670CFM vacuum secondaries electric choke #BR-67256, Fuel Pump: Mechanical, 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, Emissions: Not legal for sale/use on controlled (emissions) vehicles.
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FORD 347 ENGINE 450 HP

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Specifications

BrandATK ENGINES
Part NumberA040 HP100

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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