Customize TSP 376 CID Sleeved Gen 5 LT1/LT4 Short-Block, Stock Stroke

Engine Crate for Short-Block Engine Assembly (TSP-SDCrateSB) + $150.00
Texas Speed & Performance LT1 Engine Stand with 3/8" Drilled Holes (TSP-CradleLT1) + $55.99
Royal Purple 10w30 Break In Oil (RYP-11487) + $199.84

TSP 376 CID Sleeved Gen 5 LT1/LT4 Short-Block, Stock Stroke

TEXAS SPEED & PERFORMANCE Texas Speed & Performance
SKU #TSP-376SB-RESL-LT1
TSP 376 CID Sleeved Gen 5 LT1/LT4 Short-Block, Stock Stroke The Texas Speed & Performance 376 CID Sleeved Gen 5 LT1/LT4 Short-Block is built using a NEW Gen 5 aluminum block fitted with Darton dry sleeves for maximum strength and durability. All blocks are fully machined and assembled in-house, making this an ideal foundation for high-performance and boosted LT builds.
Final product price

Kit Components Configured

TSP 376 CID Sleeved Gen 5 LT1/LT4 Short-Block, Stock Stroke

Summary
SKU TSP-376SB-RESL-LT1
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Not legal for sale or use in the state of California

TSP 376 CID Sleeved Gen 5 LT1/LT4 Short-Block, Stock Stroke

The Texas Speed & Performance 376 CID Sleeved Gen 5 LT1/LT4 Short-Block is built using a NEW Gen 5 aluminum block fitted with Darton dry sleeves for maximum strength and durability. All blocks are fully machined and assembled in-house, making this an ideal foundation for high-performance and boosted LT builds.

Key Features:

  • NEW Darton sleeved Gen 5 aluminum block (thicker, stronger than factory sleeves)
  • Designed for LT1/LT4 stock-stroke combinations
  • Choice of Wiseco or Mahle 2618 forged pistons
  • Lowered ring lands for nitrous or boost capability
  • Oil and coolant plugs pre-installed

Important Notes:

  • We do not recommend exceeding a 4.125" bore for power-adder applications
  • Custom piston volumes and bore sizes are available (additional lead time may apply)
  • Multiple connecting rod and crankshaft options offered for custom builds

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

Note: Custom configurations are available. Contact Texas Speed for an itemized quote, piston options, and current build time.

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