Katech Gen V LT4/LT5 Premium CNC Ported Assembled Cylinder Heads

Katech Gen V LT4/LT5 Premium CNC Ported Assembled Cylinder Heads

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

The Katech Gen V LT4/LT5 Premium CNC Ported Assembled Cylinder Heads are engineered for high-performance GM Gen V LT4 and LT5 engine applications requiring improved airflow, premium valvetrain components, and complete ready-to-install assemblies. Each pair begins with brand-new GM cylinder head castings, eliminating the need for a core exchange.

Each cylinder head receives Katech CNC-ported intake and exhaust ports, a multi-angle competition valve job, and precision hand blending. The heads are engraved with the Katech logo and fully assembled with new GM titanium intake valves, stock GM exhaust valves, CHE bronze valve guides, and a .660-inch dual valve spring package with titanium retainers.

Features & Benefits

• Brand-New GM Cylinder Head Castings
• No Core Exchange Required
• Katech CNC-Ported Intake and Exhaust Ports
• Multi-Angle Competition Valve Job
• Precision Hand Blending Following CNC Porting
• New GM Titanium Intake Valves
• Stock GM Exhaust Valves
• CHE Bronze Valve Guides
• .660-Inch Dual Valve Spring Package with Titanium Retainers
• Katech Logo Engraved on Each Cylinder Head
• Fully Assembled and Ready to Bolt On
• Sold as a Pair
• CNC Ported, Machined, Engraved, and Assembled at Katech Engineering in Clinton Township, Michigan, USA!

Specifications

• Product Type: Premium 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
• Valve Job: Multi-Angle Competition Valve Job
• Port Finish: Precision Hand Blended
• Intake Valves: New GM Titanium Intake Valves
• Exhaust Valves: Stock GM Exhaust Valves
• Valve Guides: CHE Bronze Valve Guides
• Valve Spring Package: .660-Inch Dual Valve Spring Package with Titanium Retainers
• 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. The CNC-ported intake and exhaust passages are complemented by a multi-angle competition valve job and precision hand blending to provide consistent airflow, high-RPM performance, and dependable operation in demanding LT4 and LT5 engine combinations.

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

What’s Included

• Two New GM LT4/LT5 Cylinder Heads CNC Ported by Katech
• New GM Titanium Intake Valves
• Stock GM Exhaust Valves
• CHE Bronze Valve Guides
• .660-Inch Dual Valve Spring Package with Titanium Retainers
• 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 Premium CNC Ported Assembled Cylinder Heads combine new GM cylinder head castings, precision CNC porting, competition valve preparation, premium valvetrain components, and meticulous assembly in a complete ready-to-bolt-on package. Designed for demanding LT4 and LT5 applications, these cylinder heads deliver the quality, precision, and performance expected from Katech.