Engines and Components Engines, Blocks and Components

Lingenfelter

LS3 378 CID Crate Engine

$18,995.00

SKU: L130215306

In Stock
In Stock
Ships by Sep 12
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
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Overview

The Lingenfelter LS3 crate engine is a 378 CID performance engine. It features a GM LS3 6.2 L aluminum block and is designed for 93 octane fuel. This engine offers 550 horsepower with a 11.5:1 compression ratio.
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The Lingenfelter LS3 378 CID crate engine is a high-performance power plant designed for street and race applications. Built with a GM LS3 6.2 L aluminum block, it delivers 550 horsepower and a 11.5:1 compression ratio, requiring 93 octane fuel. Key components include a GM LS3 steel crankshaft, Lingenfelter GT11 hydraulic roller camshaft, and Lingenfelter CNC ported and polished LS3 cylinder heads. It also features Competition Cams double valve springs with titanium retainers, GM hollow stem intake valves (2.165") and GM exhaust valves (1.59"). The engine is equipped with an LS3 Corvette composite intake manifold, 90 mm electronic throttle body, and 42 lbs/hr fuel injectors. This Lingenfelter engine undergoes meticulous preparation and assembly, including precision 3-angle valve jobs, chamber CC checking, deck surfacing, deburring, pressure testing, and tolerance checks. It comes with a GM Engine control kit and base calibration, having been dyno tested. The engine is shipped on a stand and crate.

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

BrandLingenfelter
Part NumberL130215306
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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