Engines and Components Engines, Blocks and Components

Chevrolet

4.8L LY2 Engine Assembly

$6,071.99

SKU: 19178612

In Stock
In Stock
Ships by Sep 12
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
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Professional / shop required

Overview

The Chevrolet Performance 4.8L LY2 is an engine assembly. This part is designed as a direct fit replacement. It features a 9.1:1 compression ratio and an output of 260-295 horsepower.
Show original supplier description
The Chevrolet Performance 4.8L LY2 engine assembly (part number 19178612) is engineered as a direct-fit replacement for compatible applications. This engine offers a robust 4.8L displacement with a 9.1:1 compression ratio, delivering an impressive horsepower range of 260-295 hp. This engine is part of the General Motors LS-based small-block engine family, known for their versatility and performance. The engine features an iron block and aluminum cylinder heads. Specific break-in procedures are crucial; always consult your vehicle's owner or service manual for proper oil and break-in periods. During break-in, vary your speed, avoid prolonged single speeds, and refrain from towing or heavy loads. Daily checks of engine oil and coolant levels are recommended. It is important to note that this part may only be legal for sale and use on uncontrolled (non-emissions controlled) vehicles or on vehicles used solely for the purposes of closed competition. Ensure compliance with local emissions regulations before installation.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandChevrolet
Part Number19178612
CategoryEngines and Components

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Returns & Fitment

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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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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