Buy ATK High Performance Chevy LQ4 6.0L 460 HP Long Block Online

Upgrade your LS-powered build with the ATK High Performance Chevy LQ4 6.0L 460 HP Long Block, a powerful crate engine built for drivers who want dependable strength, aggressive response, and serious street performance. Based on the proven LQ4 6.0L iron block platform, this long block delivers up to 460 horsepower and 470 lb-ft of torque, making it an excellent choice for 2001–2007 Chevy truck replacements, LS swaps, hot rods, and performance restorations. Its durable 6.0 ls crate engine rotating assembly, hypereutectic pistons, hydraulic roller camshaft, OE aluminum lm7 crate engine cylinder heads, and Melling ls 6.0 crate engine standard-volume oil pump give enthusiasts a strong foundation for reliable power.

The custom performance cam provides noticeable idle quality and strong mid-to-upper RPM pull, while factory-style compatibility helps simplify installation when paired with the proper supporting components. For best results, this engine should be 6.0 ls crate engine for sale used with headers, 36 lb injectors, quality fuel, and a professional chassis dyno tune. Whether you are replacing a tired factory 6.0L or building a high-output LS project, the ATK High Performance Chevy LQ4 6.0L 460 HP Long Block offers the performance, durability, and value needed to bring your vehicle 500 hp 6.0 ls crate engine back stronger and ready for hard launches, confident cruising, reliable towing, daily driving, and weekend competition use anywhere today.

Product Specifications

Product Name: ATK High Performance Chevy LQ4 6.0L 460 HP Long Block
Part Number: HP93
Engine Platform: GM LS / Chevy LQ4 6.0L
Engine Type: High-performance long block crate engine
Horsepower: 460 HP
Torque: 470 lb-ft
Block: OE LQ4 / 6.0L iron block
Bore / Stroke: Up to 4.040 in. x 3.622 in.
Displacement: Up to 371 cu. in. / 6.0L
Crankshaft: OE GM crankshaft with 24-tooth reluctor wheel
Connecting Rods: OE powder metal rods
Pistons: Hypereutectic pistons
Compression Ratio: 9.5:1 / 9.51:1
Piston Rings: Moly rings
Camshaft: Hydraulic roller camshaft
Cam Specs: Custom performance grind
Timing Chain: OE single roller timing chain
Cylinder Heads: OE aluminum cylinder heads
Combustion Chamber: 71cc
Intake Runner: 210cc
Valve Size: 2.00 in. intake / 1.55 in. exhaust
Rocker Arms: OE 1.7 ratio rocker arms
Oil Pump: Melling standard-volume oil pump
Recommended Fuel: 91+ octane
Recommended Injectors: 36 lb fuel injectors
Recommended Exhaust: 1 5/8 in. headers
Recommended Stall Converter: 1800+ RPM
Tuning Requirement: ECM / PCM tuning required
Ideal Applications: 2001–2007 Chevy 6.0L LQ4 replacement, LS swaps, Chevy trucks, hot rods, and street-performance builds

Product Benefits

The ATK High Performance Chevy LQ4 6.0L 460 HP Long Block is built for enthusiasts who want strong LS-based performance with the durability of a proven iron-block 6.0L platform. With 460 horsepower and 470 lb-ft of torque, this engine delivers excellent mid-to-upper RPM power, making it a great upgrade for Chevy trucks, hot rods, performance restorations, and LS swap projects.

Its OE LQ4 iron block provides a strong foundation for dependable performance, while the hydraulic roller camshaft and custom performance grind help produce a noticeable idle and responsive power delivery. The OE aluminum cylinder heads, hypereutectic pistons, moly rings, and Melling oil pump add strength, efficiency, and reliability for demanding street applications.

This long block is especially beneficial for builders replacing a tired factory 6.0L engine or upgrading to a more powerful LS setup without starting from scratch. It is designed to work with factory-style EFI components when paired with the correct supporting parts, including 36 lb injectors, headers, proper fuel delivery, and professional ECM tuning.

For drivers who want a balance of horsepower, torque, reliability, and LS compatibility, the ATK High Performance Chevy LQ4 6.0L 460 HP Long Block offers excellent value and performance. It provides a ready foundation for stronger acceleration, improved throttle response, and a more aggressive driving experience.

What is the ATK High Performance Chevy LQ4 6.0L 460 HP Long Block best used for?

The ATK High Performance Chevy LQ4 6.0L 460 HP Long Block is ideal for LS swaps, 2001–2007 Chevy truck replacements, hot rod builds, and performance restorations that need strong horsepower, torque, and reliable street performance.

Does the ATK High Performance Chevy LQ4 6.0L 460 HP Long Block need tuning?

Yes. The ATK High Performance Chevy LQ4 6.0L 460 HP Long Block requires proper ECM tuning for safe operation and best performance. Headers, 36 lb injectors, and a chassis dyno tune are recommended.