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Engines and Components Engines, Blocks and Components

Chevrolet Performance

LSX454R 454ci Crate Engine

$21,500.00 $19,239.88 Save $2,260.12

SKU: 19260835

In Stock
In Stock
Ships by Sep 13
Free Shipping over $200
$100 Minimum Order
30 Days Return
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Overview

The Chevrolet Performance LSX454R is a LS-Series Small-Block V-8 crate engine with a 454 cubic inch (7.4L) displacement. It features an LSX cast iron block with six-bolt cylinder head attachment, 4340 forged steel crankshaft and connecting rods, and 4032 forged aluminum pistons.
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The Chevrolet Performance LSX454R crate engine (P/N 19260835) is engineered for maximum performance, specifically targeting racing applications as indicated by the "R" in its name. This LS-Series Small-Block V-8 powerhouse boasts a substantial 454 cubic inch (7.4L) displacement, with precision dimensions of 4.185 inches for the bore and 4.125 inches for the stroke. Constructed with lightweight and durable aluminum cylinder heads, this fully assembled engine features internal balancing for smooth operation at high RPMs. It is rated to deliver an impressive 770+ horsepower at 7000 rpm and a formidable 612 lb.-ft. of torque at 5600 rpm, making it one of Chevrolet Performance's most potent crate engine offerings. This engine is noted to have an LSX 8-bolt crank flange. Its design and power output make it a prime choice for drag racers and enthusiasts seeking extreme performance.

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 Performance
Part Number19260835
CategoryEngines and Components

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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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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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