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TSP 370 C.I.D. LQ9 Short-Block

From Original price was: $6,330.99.Current price is: $6,204.37.

The Texas Speed & Performance 370 C.I.D. LQ9 Short-Block is built using a brand-new GM LQ9 6.0L iron Gen III block and comes fully assembled with a factory 3.622″ stroke crankshaft and your choice of 24X or 58X…

Build your assembly Pick each component — the price updates as you choose.
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Description

TSP 370 C.I.D. LQ9 Short-Block

The Texas Speed & Performance 370 C.I.D. LQ9 Short-Block is built using a brand-new GM LQ9 6.0L iron Gen III block and comes fully assembled with a factory 3.622″ stroke crankshaft and your choice of 24X or 58X reluctor. This is a strong foundation for performance street or boosted Gen III builds.

Key Features:

  • New GM LQ9 6.0L iron block
  • Factory GM 3.622″ stroke crankshaft
  • Standard 4.03″ bore piston sets (unless noted)
  • Piston options from Wiseco, CP, or Diamond
  • Oil and coolant plugs pre-installed

Important Notes:

  • Optional upgrade to 1/2″ head studs available for high boost or nitrous setups
  • Gen III block uses LS1/LS6-style covers/components but requires LS2/LS3 head bolts
  • Custom rotating assembly options available

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

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

This assembly is built to order. Choose your crankshaft, connecting rods and pistons above — the price updates as you select.

Additional information

Weight 7088 oz

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Everything to first start

What this engine needs on day one

Build the full combo around it →
Break-in oilDriven BR30 Conv 5W-30 Break-In Oil, Quart 12 Count Case

High-zinc oil for the first 500 miles. A case covers the fill plus the first change.

Stand-alone harnessStocker Series Electronic Throttle LS1/Vortec 24x Blue/Green Engine Harness

24x harness so the engine runs in any chassis. We confirm transmission and throttle with you.