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LT6 engine
LT6 crate engine

GM LT6 Engine

SKU: GML-T6001 Category: Tags: , , , , , , Brand:

Price range: $20,000.00 through $30,000.00

The prices are exclusive of taxes and shipping. The price may vary depending upon the miles and year of manufacturing.

In Stock

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Additional Information

Brand

General Motors

Conditions

Remanufactured, Used

Miles

70000-130000

Year Compatibility

2023-2025

Verified

Tried & Tested

Warranty

Up to 3 Months

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The LT6 engine is a naturally-aspirated 5.5-liter flat-plane crank V8 producing 670 horsepower the most powerful naturally-aspirated V8 ever from GM. This revolutionary track-focused powerplant powers the C8 Corvette Z06, delivering 8,600 rpm redline performance with exotic supercar character. Known for precision engineering, titanium components, and race-derived technology, the LT6 crate engine redefines American performance standards. Available with comprehensive testing and warranty coverage.

Features

  • Tested Engine with Warranty
  • Hassle-Free Returns Available
  • Live Customer Support
  • Direct Fit for Your Vehicle

The LT6 represents GM’s pinnacle naturally-aspirated achievement: a hand-built 5.5-liter flat-plane crank V8 generating 670 hp and 460 lb-ft torque with an exotic 8,600 rpm redline. This track-focused GM LT6 exclusively powers the 2023-present Chevrolet Corvette Z06, featuring dry-sump lubrication, titanium intake valves, forged aluminum pistons, and advanced thermal management.

The LT6 engine weight of just 530 pounds delivers exceptional power-to-weight ratios, while the flat-plane crankshaft produces Ferrari-like exhaust notes and instantaneous throttle response.This naturally-aspirated masterpiece defines modern American performance engineering. For related high-performance alternatives, explore the LT4 supercharged engine for forced-induction power delivery. The LT6 crate engine pairs perfectly with our C8 transmission solutions for track-ready performance. Learn about GM small-block evolution on Wikipedia’s GM Small-Block engine.

Specification

Product TypeEngine
Displacement (Engine Size)5.5L Naturally Aspirated V8
Fuel TypeGasoline
AvailabilityIn Stock
ShippingNationwide Available
Use CaseIdeal for performance builds, swaps, and replacements

Frequently Asked Questions

  1. How much is the LT6 engine horsepower rating from the factory?

    The LT6 horsepower delivers 670 hp at 8,400 rpm and 460 lb-ft torque at 6,300 rpm. This naturally-aspirated GM LT6 represents the highest specific output of any production V8, with available LT6 for sale units maintaining factory specifications.

  2. What are the complete LT6 engine specs for performance applications? 

    The LT6 specs include: 5.5L (335 ci) displacement, flat-plane crankshaft, 12.5:1 compression ratio, dual overhead cams, 8,600 rpm redline, dry-sump lubrication, and titanium components.

  3. Is the LT6 crate engine suitable for engine swaps and custom builds?

    Yes. The LT6 crate engine is available through GM Performance Parts with complete harness and ECU for custom applications. 

  4. What vehicles use the GM LT6 engine for sale in the performance market?

    Exclusively powers Chevrolet Corvette Z06 (C8 generation, 2023–present). This hand-assembled naturally-aspirated V8 is also available as an LT6 crate engine for custom builds and restoration projects requiring ultimate performance.

  5. How does the LT6 weight compare to other high-performance V8s?

     At 530 pounds, the LT6 weight is remarkably light for a 5.5L flat-plane V8. This exceptional power-to-weight ratio (1.26 hp per pound) surpasses most naturally-aspirated competitors, contributing to the Z06’s track performance and handling balance.

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Shiping Policy

Transparent, nationwide delivery — fast and secure.

Shipping Policy

Our shipping policy is flexible, as the shipping charges depend on the location. A few certain remote regions like CO, UT, NY, OR, & CA may have additional shipping charges or delivery fees. However, some circumstances may cause delays,  but we always strive to deliver your order as quickly as possible.

Please note that all shipping times are estimates and not guaranteed. We examine all rebuilt and used engines before shipment and aim to provide high-quality used engines and transmissions. Shipping details and fees will be disclosed to consumers before any transactions are made. Our team is operational 24/7, and you can call us at +1-888-799-0188 to place an order.

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