Engines and Components Engines, Blocks and Components

ATK ENGINES

CHRYSLER 360 MAGNUM CRATE ENGINE

$3,944.42

SKU: A040 HP73

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Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The ATK ENGINES HP73 is a Chrysler 360 Magnum Engine, offering 320HP and 410TQ. It features an OE Magnum roller block (1993-2001), 4.060” x 3.580” bore/stroke, 360CI displacement, OE Cast crankshaft, OE 6.123” rods, Hypereutectic 9:1 compression pistons, Moly rings, Hyd. roller camshaft with OE Magnum grind, double roller timing chain, OE Magnum cast iron 65cc 1.78/1.50 cylinder heads, Steel 1.6 Pedestal Rocker Arms, OE front sump 5qt oil pan, Melling STD volume oil pump, internally balanced flexplate/flywheel (requires Ext. balanced converter), externally balanced balancer, Edelbrock performer RPM air gap dual plane intake manifold, Pro billet RTR distributor (Iron Gear), OE early water pump, Quick Fuel 670CFM vacuum secondaries electric choke carburetor, and a mechanical fuel pump.

Fitment

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Specifications

BrandATK ENGINES
Part NumberA040 HP73

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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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