Engines and Components› Engines, Blocks and Components

ATK ENGINES

GM 4T65E AUTO 4-SPD

$3,236.12

SKU: A040 T4773AA

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

Moderate — 2–4 hours

Description

The ATK HP73 is a high-performance Chrysler 360 Magnum crate engine, delivering 320 horsepower and 410 lb-ft of torque. It features an OE Magnum roller block (1993-2001) and is equipped with an Edelbrock Performer RPM air gap dual plane intake manifold, a Pro Billet RTR distributor, and a Quick Fuel 670CFM vacuum secondary electric choke carburetor. This engine is designed for a variety of Dodge and Jeep applications.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandATK ENGINES
Part NumberA040 T4773AA

Videos

The Shocking Truth About the Chrysler 360 Magnum Engine– The Silent V8 That Got Killed Off Quietly!

The Shocking Truth About the Chrysler 360 Magnum Engine– The Silent V8 That Got Killed Off Quietly!
ATK Performance crate engine review

ATK Performance crate engine review
HOW TO: DODGE 360 MAGNUM CAM UPGRADE-WHAT'S IT WORTH?

HOW TO: DODGE 360 MAGNUM CAM UPGRADE-WHAT'S IT WORTH?
LOW BUCK VS BIG BUCK-ARE CRATE MOTORS REALLY WORTH THE PRICE?

LOW BUCK VS BIG BUCK-ARE CRATE MOTORS REALLY WORTH THE PRICE?
Magnum vs. LA. Side By Side Comparison

Magnum vs. LA. Side By Side Comparison
*BUDGET* 350 HP 360 Magnum...Ryan lays it out. #recipe #frpnation #360

*BUDGET* 350 HP 360 Magnum...Ryan lays it out. #recipe #frpnation #360
Dèmo Kit Mopar 360 425Hp

Dèmo Kit Mopar 360 425Hp
ARE A.T.K. ENGINES AND HEADS ANY GOOD? EVEN MORE GRIEF FROM JEGGS

ARE A.T.K. ENGINES AND HEADS ANY GOOD? EVEN MORE GRIEF FROM JEGGS
ATK review

ATK review
Mopar 360 Build on a $2,500 Budget - Horsepower S13, E17

Mopar 360 Build on a $2,500 Budget - Horsepower S13, E17

Buy with Confidence

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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