Katech Gen V LT1/LT4 416 CID Boosted Forged Short Block

Katech Gen V LT1/LT4 416 CID Boosted Forged Short Block

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

The Katech Gen V LT1/LT4 416 CID Boosted Forged Short Block is engineered for high-performance supercharged and turbocharged GM Gen V LT engine builds. Each short block begins with a brand-new GM LT1/LT4 Aluminum Engine Block and is professionally machined and assembled by the master engine builders at Katech using premium forged engine components.

Designed to support boosted engine combinations capable of up to 1,200 horsepower when paired with the appropriate Cylinder Heads, Forced Induction System, Fuel System, and Engine Calibration, this short block features a Callies Forged 8-Counterweight Crankshaft, Callies Forged XD Connecting Rods, CP Forged Pistons, Clevite Bearings, and ARP Main Studs.

Features & Benefits

• Brand New GM LT1/LT4 Aluminum Engine Block
• 416 CID
• Designed for Supercharged and Turbocharged Applications
• Callies Forged 8-Counterweight 4.000-Inch-Stroke Crankshaft Blueprinted and Balanced at Katech
• Callies Forged XD Connecting Rods
• CP Forged 4.070-Inch Pistons with Rings and Wrist Pins
• 10.35:1 Compression Ratio with Stock LT1 Cylinder Heads
• 9.75:1 Compression Ratio with Stock LT4 Cylinder Heads
• 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: Boosted
• Displacement: 416 CID
• Stroke: 4.000 Inches
• Crankshaft: Callies Forged 8-Counterweight
• Connecting Rods: Callies Forged XD
• Pistons: CP Forged 4.070-Inch
• Compression Ratio: 10.35:1 with Stock LT1 Cylinder Heads / 9.75:1 with Stock LT4 Cylinder Heads
• 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: Included
• 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 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
• 2020-2024 Chevrolet Gen VI Camaro LT1 with LT1 6.2L 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 Supercharged and Turbocharged Engine Builds
• GM Gen V LT4 Supercharged and Turbocharged Engine Builds
• Wet Sump and Dry Sump Applications

Important Fitment Notes

• Designed for Boosted GM Gen V LT1 and LT4 Engine Builds
• Any Katech Gen V Short Block Requires a Chamfered Crankshaft Sprocket
• Verify Cylinder Head, Compression Ratio, Oiling System, and Crankshaft Sprocket Compatibility Before Ordering
• Please Contact Katech Sales 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 XD 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
• Block Oil and Coolant Plugs
• Engine Stand & Shipping Crate

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, balancing, and high-performance engine assembly.

The Katech Gen V LT1/LT4 416 CID Boosted Forged Short Block provides a durable foundation for high-horsepower supercharged and turbocharged engine builds. Premium Callies and CP components, application-specific compression ratios, and meticulous Katech assembly deliver the strength and reliability required for demanding boosted Gen V LT applications.