Katech Gen V LT1 CNC Ported Assembled Cylinder Heads 2014–2021

Katech Gen V LT1 CNC Ported Assembled Cylinder Heads

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

The Katech Gen V LT1 CNC Ported Assembled Cylinder Heads are engineered to improve airflow, cylinder filling, and performance capability in compatible GM Gen V LT1 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, engraved with the Katech logo, and assembled with new OEM intake and exhaust valves and a Katech .660-inch-lift dual valve spring package. The completed cylinder heads are sold as a pair and arrive fully assembled and ready to bolt on.

Features & Benefits

• Brand-New GM Cylinder Head Castings
• No Core Exchange Required
• Precision CNC Ported by Katech
• Includes New OEM Intake and Exhaust Valves
• Assembled with a Katech .660-Inch-Lift 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 LT1
• Casting Type: New GM Cylinder Head Castings
• Porting: Katech CNC Ported
• Intake Port Volume: 313.4 cc
• Exhaust Port Volume: 113 cc
• Combustion Chamber Volume: 61.6 cc
• Valves: New OEM Intake and Exhaust Valves
• Valve Spring Package: Katech .660-Inch-Lift 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. Flow testing demonstrates measurable airflow gains over a stock GM LT1 cylinder head while maintaining application-specific port and combustion chamber characteristics.

Vehicle & Engine Fitment

Vehicle Applications

Chevrolet

• 2014–2019 Chevrolet C7 Corvette Stingray with LT1 6.2L Engine
• 2017–2019 Chevrolet C7 Corvette Grand Sport with LT1 6.2L Engine
• 2016–2021 Chevrolet Gen 6 Camaro SS with LT1 6.2L Engine
• 2020–2021 Chevrolet Gen 6 Camaro LT1 with LT1 6.2L Engine

Engine Applications

• GM Gen V LT1 6.2L Engines Equipped with 8.0mm Direct Injection Injectors
• Compatible Naturally Aspirated and Forced-Induction LT1 Performance Engine Builds Utilizing 8.0mm Direct Injection Injectors

Important Fitment Notes

• Designed for LT1 Applications Equipped with 8.0mm Direct Injection Injectors
• Will Not Fit 2022 and Newer LT1 or LT2 Applications Equipped with the Smaller 6.0mm Direct Injection Injector Nozzle Diameter
• For 2022 and Newer LT1 and LT2 Applications Requiring 6.0mm Injector Fitment, Use Katech Gen V LT1 & LT2 CNC Ported Assembled Cylinder Heads 2022+ KAT-A7840
• Sold as a Complete Pair of Fully Assembled Cylinder Heads
• Built from New GM Castings; No Core Exchange Is Required

What’s Included

• Two New GM LT1 Cylinder Heads CNC Ported by Katech
• New OEM Intake and Exhaust Valves
• Katech .660-Inch-Lift 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 LT1 CNC Ported Assembled Cylinder Heads combine new GM castings, precision CNC porting, new OEM valves, and a Katech .660-inch-lift dual valve spring package in a complete, ready-to-bolt-on assembly. With no core exchange required, they provide a straightforward cylinder head upgrade backed by the engineering and manufacturing experience expected from Katech.