TSP 376cid LS3 Custom Short Block Engine

Texas Speed & Performance 376cid LS3 Custom Short Block Engine

The TSP 376 C.I.D. LS3 Custom Short Block Engine is built using a brand-new GM L92/LS3 aluminum block and comes fully assembled with a factory 3.622″ stroke crankshaft and your choice of 24X or 58X reluctor. This is a strong OEM-based foundation for performance street and boosted LS3 builds.

Key Features:

• New GM L92/LS3 aluminum block
• Factory GM 3.622″ stroke crankshaft with 24X or 58X reluctor
• Standard 4.070″ bore piston set (unless noted)
• Choice of Wiseco, CP, or Diamond forged pistons
• Oil and coolant plugs pre-installed

Available Options:

• Optional LS1 conversion package (LS2 timing cover/valley cover/lifter trays, LS2 1X timing set, and harness extensions)
• Upgrade to 1/2″ ARP head studs requires PRC aftermarket cylinder heads
• Custom rotating assembly options available

All TSP engines include 12 quarts of break-in oil at no additional cost to ensure proper ring seal and startup protection.

Note: Wiseco and CP pistons support LS1/LS2/LS6/L92/LS3 and most aftermarket heads, while Diamond pistons are intended for LS1/LS2/LS6/L92 applications. Contact Texas Speed for an itemized quote.