Katech Gen V LT1/LT4/LT5 Sleeved Engine Block

Katech Gen V LT1/LT4/LT5 Sleeved Engine Block

NEW GM BLOCK · DRY-SLEEVED · 4.000-INCH STROKE CLEARANCED

The Katech Gen V LT1/LT4/LT5 Sleeved Engine Block provides a professionally prepared foundation for high-performance GM Gen V LT engine builds. Each block begins as a brand-new GM LT1/LT4 engine block, eliminating the need for a core exchange.

The block is dry sleeved, precision surface decked, and clearanced for a 4.000-inch-stroke crankshaft. Cam bearings are installed, and the block is machined for Katech Kool Shot™ Piston Oil Squirter Nozzles (KAT-A5144), which are sold separately.

Features & Benefits

• Brand-New GM LT1/LT4 Engine Block
• No Core Exchange Required
• Dry-Sleeved Cylinder Bores
• Clearanced for a 4.000-Inch-Stroke Crankshaft
• Precision Surface Decked by Katech
• Cam Bearings Installed
• Machined for Katech Kool Shot™ Piston Oil Squirter Nozzles (KAT-A5144)
• Designed for High-Performance GM Gen V LT1, LT4, and LT5 Engine Builds
• Proudly Machined at Katech Engineering in Clinton Township, Michigan, USA!

Specifications

• Product Type: Machined Sleeved Engine Block
• Engine Family: GM Gen V LT1, LT4, and LT5
• Block Type: New GM LT1/LT4 Engine Block
• Sleeve Configuration: Dry Sleeved
• Stroke Clearance: 4.000-Inch Stroke
• Deck Preparation: Precision Surface Decked
• Cam Bearings: Installed
• Piston Oil Squirter Provisions: Machined for Katech Kool Shot™ Piston Oil Squirter Nozzles (KAT-A5144)
• Core Required: No

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
• 2015–2019 Chevrolet C7 Corvette Z06 with LT4 6.2L Supercharged Engine
• 2019 Chevrolet C7 Corvette ZR1 with LT5 6.2L Supercharged Engine
• 2016–2024 Chevrolet Gen VI Camaro SS with LT1 6.2L Engine
• 2017–2024 Chevrolet Gen VI Camaro ZL1 with LT4 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 LT1 Engine Builds
• GM Gen V LT4 Engine Builds
• GM Gen V LT5 Engine Builds
• Compatible Naturally Aspirated, Supercharged, Turbocharged, and Competition Gen V LT Engine Builds

Important Fitment Notes

• Designed as a Foundation for Compatible GM Gen V LT1, LT4, and LT5 Engine Builds
• Clearanced for Use with a 4.000-Inch-Stroke Crankshaft
• Machined for Katech Kool Shot™ Piston Oil Squirter Nozzles (KAT-A5144), Which Are Sold Separately
• Final Machining and Assembly Specifications Should Be Verified for the Intended Engine Combination
• Engine Stand and Block Shipping Crate Are Required for Shipment and Sold Separately

What's Included

• One New GM LT1/LT4 Engine Block
• Installed Dry Cylinder Sleeves
• Installed Cam Bearings
• Precision Surface Decking
• 4.000-Inch-Stroke Clearance Machining
• Includes Engine Stand and Shipping Crate

Not Included

• Katech Kool Shot™ Piston Oil Squirter Nozzles (KAT-A5144) – Sold Separately
• Rotating Assembly and Additional Engine Components

Why Choose Katech?

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

The Katech Gen V LT1/LT4/LT5 Sleeved Engine Block combines a brand-new GM engine block with dry sleeves, precision surface decking, 4.000-inch-stroke clearance, installed cam bearings, and provisions for Katech Kool Shot™ Piston Oil Squirter Nozzles. It provides a professionally prepared foundation for demanding Gen V LT engine builds while eliminating the need to source and prepare a used core.