TSP LT 376 Short Block

Texas Speed LT 376 SB Short Block

Built for high-performance LT1-based applications, the Texas Speed LT 376 SB Short Block offers a forged and stroked foundation for serious power builds. Utilizing a genuine GM LT1 aluminum block paired with a 3.622″ stroke crankshaft and 4.070″ bore forged pistons, this short block is designed to handle the demands of naturally aspirated, supercharged, or turbocharged platforms with ease. The TSP H-beam rods and ARP main studs round out a proven setup for builders targeting strength, reliability, and precision.

Core Components

• Engine Block: GM LT1 Aluminum Block (Gen V, 6.2L)
• Crankshaft: GM Wet Sump 3.622″ Stroke Crankshaft
• Connecting Rods: Texas Speed 6.125″ H-Beam Connecting Rod Set
• Pistons: Wiseco 4.070″ -2cc Forged Pistons
• Main Stud Kit: ARP Main Stud Kit (LT1 6.2L)

Technical Specifications

• Displacement: 376 CID (Factory LT1 Bore/Stroke)
• Bore Size: 4.070″
• Stroke: 3.622″
• Rod Length: 6.125″
• Compression Ratio: ~11.7:1 with -2cc Pistons (varies with heads/chamber)
• Balancing: Internally Balanced Rotating Assembly
• Power Rating: Built to support 1,000 Horsepower (with proper top-end)

Performance & Compatibility

This short block is ideal for performance builds in Gen V LT platforms such as C7 Corvette Stingray, 6th Gen Camaro SS, and swap applications. Designed to support high-RPM, high-horsepower demands, the LT 376 SB is suitable for boosted, nitrous, or high-compression naturally aspirated builds. With premium forged internals and expert assembly, it offers a stout and scalable base for serious street or track machines.