Katech Gen V LT1/LT4 416 CID Naturally Aspirated Forged Short Block

Katech Gen V LT1/LT4 416 CID Naturally Aspirated Forged Short Block

FORGED ROTATING ASSEMBLY · BRAND-NEW GM BLOCK · AVAILABLE IN WET OR DRY SUMP

The Katech Gen V LT1/LT4 416 CID Naturally Aspirated Forged Short Block is engineered for high-performance GM Gen V LT engine builds requiring exceptional strength, durability, and reliability. Starting with a brand-new GM LT1/LT4 Aluminum Engine Block, each 416 CID Short Block is professionally machined and assembled by the master engine builders at Katech using premium forged components.

Designed to support naturally aspirated engine combinations capable of up to 1,000 horsepower when paired with the appropriate Cylinder Heads, Induction System, Fuel System, and calibration, this 416 CID Short Block features a Callies Forged 4.000-Inch-Stroke Crankshaft, Callies Forged Connecting Rods, CP Forged Pistons, Katech Kool Shot™ Piston Oil Squirters, ARP Main Studs, and Clevite Bearings. It is available in Wet Sump and Dry Sump configurations and includes an Engine Stand and Shipping Crate for secure transportation.

Features & Benefits

• Brand New GM LT1/LT4 Aluminum Engine Block 
• 416 CID
• Callies Forged 8-Counterweight 4.000-Inch-Stroke Crankshaft Blueprinted and Balanced by Katech
• Callies Forged Connecting Rods
• CP Forged 4.070-Inch Pistons with Rings and Wrist Pins
• 11.5:1 Compression Ratio with Stock LT1 Cylinder Heads and OEM Head Gaskets
• 10.9:1 Compression Ratio with Stock LT4 Cylinder Heads and OEM Head Gaskets
• Clevite Main and Rod Bearings
• Katech Kool Shot™ Piston Oil Squirters
• ARP Main Studs
• Block Oil and Coolant Plugs
• Available in Wet Sump and Dry Sump Configurations
• Includes Engine Stand and Shipping Crate
• Proudly Machined and Assembled at Katech Engineering in Clinton Township, Michigan, USA!

Specifications

• Product Type: Forged Short Block
• Engine Family: GM Gen V LT1/LT4
• Application: Naturally Aspirated
• Displacement: 416 CID
• Stroke: 4.000 Inches
• Crankshaft: Callies Forged 8-Counterweight
• Connecting Rods: Callies Forged
• Pistons: CP Forged 4.070-Inch
• Compression Ratio: 11.5:1 (LT1 Heads) / 10.9:1 (LT4 Heads) with OEM Head Gaskets
• Main Bearings: Clevite
• Rod Bearings: Clevite
• Main Fasteners: ARP Main Studs
• Piston Oil Squirters: Katech Kool Shot™
• Oiling Configuration: Wet Sump or Dry Sump
• Block Oil and Coolant Plugs: Installed
• Assembly: Fully Assembled Short Block

Vehicle & Engine Fitment

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 Engine
• 2016–2024 Chevrolet Gen VI Camaro SS with LT1 6.2L Engine
• 2017–2024 Chevrolet Gen VI Camaro ZL1 with LT4 6.2L Engine

Cadillac

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

Engine Applications

• GM Gen V LT1 Naturally Aspirated Engine Builds
• GM Gen V LT4 Naturally Aspirated Engine Builds
• Wet Sump and Dry Sump Applications

Important Fitment Notes

• Designed for Naturally Aspirated GM Gen V LT1 and LT4 Engine Builds
• Requires a Chamfered Crankshaft Sprocket
• Verify Cylinder Head, Compression Ratio, Oiling System, Crankshaft Sprocket, and Vehicle Compatibility Before Ordering
• Please Contact Katech for a Shipping Quote

What’s Included

• Brand-New GM LT1/LT4 Aluminum Engine Block
• Callies Forged 8-Counterweight 4.000-Inch-Stroke Crankshaft
• Callies Forged Connecting Rods
• CP Forged 4.070-Inch Pistons, Rings, and Wrist Pins
• Clevite Main and Rod Bearings
• Katech Kool Shot™ Piston Oil Squirters
• ARP Main Studs
• Installed Block Oil and Coolant Plugs
• Engine Stand
• Shipping Crate
• Complete Professionally Assembled Short Block

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 Short Block reflects decades of experience in engine machining, rotating assembly development, blueprinting, balancing, and complete high-performance engine assembly.

The Katech Gen V LT1/LT4 416ci Naturally Aspirated Forged Short Block combines premium forged components, precision machining, and meticulous assembly into a durable foundation for naturally aspirated Gen V LT Engine Builds. Designed to deliver exceptional reliability and performance, it provides the quality and craftsmanship expected from Katech.