Engines and Components Engines, Blocks and Components

ATK ENGINES

GM 4T45E AUTO 4-SPD

$3,125.00

SKU: A040 T1798AA

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

Moderate — 2–4 hours

Description

Looking for an engine that puts out big power and sounds flat out NASTY. One of the most popular questions we get is, does it have a big lope. The answer on this engine is YES! We chose this camshaft to not only offer big power, but to have a lope to match. This engine WILL NOT produce enough vacuum for power brakes. OE 2 Bolt Main 1 Piece Seal Roller Block P/S Dipstick. Reground OE Cast Crank 3.480 Inch Stroke Externally Balanced Rear And Internal Front 1 Piece. Rocker Arms: Stamped Steel 1.5 Ratio. Oil Pump: Milling STD Volume. Limited 2 Year Warranty.

Fitment

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Specifications

BrandATK ENGINES
Part NumberA040 T1798AA

Videos

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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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