Katech Gen V LT4/LT5 CNC Ported Assembled Cylinder Heads

Katech Gen V LT4/LT5 CNC Ported Assembled Cylinder Heads

NEW GM CASTINGS · NO CORE REQUIRED · READY TO BOLT ON

The Katech Gen V LT4/LT5 CNC Ported Assembled Cylinder Heads are engineered to improve airflow, cylinder filling, and performance capability for high-performance GM Gen V LT4 and LT5 engine applications. Each pair begins with brand-new GM cylinder head castings, eliminating the need for a core exchange.

Each cylinder head is precision CNC ported by Katech and fully assembled with new GM intake and exhaust valves, a .660-inch dual valve spring package, and Katech logo engraving. Sold as a pair, these cylinder heads arrive fully assembled and ready to bolt on.

Features & Benefits

• Brand-New GM Cylinder Head Castings
• No Core Exchange Required
• Precision CNC Ported Intake and Exhaust Ports by Katech
• Includes New GM Intake and Exhaust Valves
• Assembled with a .660-Inch Dual Valve Spring Package
• Katech Logo Engraved on Each Cylinder Head
• Complete Cylinder Heads Ready to Bolt On
• Sold as a Pair
• CNC Ported, Engraved, and Assembled at Katech Engineering in Clinton Township, Michigan, USA!

Specifications

• Product Type: CNC Ported Assembled Cylinder Heads
• Engine Family: GM Gen V LT4 and LT5
• Casting Type: New GM Cylinder Head Castings
• Porting: Katech CNC Ported Intake and Exhaust Ports
• Valves: New GM Intake and Exhaust Valves
• Valve Spring Package: .660-Inch Dual Valve Spring Package
• Assembly: Fully Assembled
• Core Required: No
• Quantity: Complete Pair

Airflow Development

Each cylinder head is CNC ported using Katech’s developed porting program to improve airflow throughout the valve lift range. Precision CNC machining optimizes both the intake and exhaust ports while maintaining application-specific port geometry and combustion chamber characteristics.

Vehicle & Engine Fitment

Vehicle Applications

Chevrolet

• 2015–2019 Chevrolet C7 Corvette Z06 with LT4 6.2L Supercharged Engine
• 2017+ Chevrolet Gen VI Camaro ZL1 with LT4 6.2L Supercharged Engine
• 2019 Chevrolet C7 Corvette ZR1 with LT5 6.2L Supercharged Engine

Cadillac

• 2016–2019 Cadillac CTS-V with LT4 6.2L Supercharged Engine
• 2022+ Cadillac CT5-V Blackwing with LT4 6.2L Supercharged Engine
• 2023+ Cadillac Escalade-V with LT4 6.2L Supercharged Engine

Engine Applications

• GM Gen V LT4 6.2L Supercharged Engines
• GM Gen V LT5 6.2L Supercharged Engines
• Compatible Street, Track, and Competition LT4 and LT5 Engine Builds

Important Fitment Notes

• Designed Specifically for GM Gen V LT4 and LT5 Cylinder Head Applications
• Built from New GM Cylinder Head Castings; No Core Exchange Is Required
• Sold as a Complete Pair of Fully Assembled Cylinder Heads
• Verify Vehicle, Engine, Camshaft, and Valvetrain Compatibility Before Ordering

What’s Included

• Two New GM LT4/LT5 Cylinder Heads CNC Ported by Katech
• New GM Intake and Exhaust Valves
• .660-Inch Dual Valve Spring Package
• Fully Assembled Ready-to-Bolt-On Cylinder Head Pair

Why Choose Katech?

Since 1977, Katech has engineered championship-winning engines and high-performance components for professional motorsports, OEM development programs, engine builders, and performance enthusiasts. Every Katech cylinder head program reflects decades of experience in airflow development, valvetrain engineering, precision machining, and complete engine development.

The Katech Gen V LT4 & LT5 CNC Ported Assembled Cylinder Heads combine new GM castings, precision CNC porting, new GM valves, and a .660-inch dual valve spring package in a complete, ready-to-bolt-on assembly. Designed for demanding LT4 and LT5 engine builds, they deliver the performance, quality, and reliability expected from Katech.