TSP 408 C.I.D. LQ9 Long-Block

TSP 408 C.I.D. LQ9 Long-Block

GEN III BLOCKS ONLY

The Texas Speed & Performance 408 C.I.D. LQ9 Long-Block is built on a brand-new GM LQ9 6.0L iron Gen III block with a 4.00″ stroke crankshaft and your choice of 24X or 58X reluctor. Featuring forged internals and a complete top-end package, this long-block is ready for serious street or strip performance.

Key Features:

• New GM LQ9 Gen III iron block
• Standard 4.03″ bore 2618 forged pistons (Wiseco, CP, Diamond, or Mahle)
• PRC 225cc cathedral-port heads with TSP dual valve spring kit
• Your choice of TSP camshaft
• Johnson 2110R lifters + chromemoly pushrods
• GM MLS head gaskets, head bolts, and high-performance oil pump

Includes Complete Hardware Package:

• LS2-specific timing set
• Lifter trays, retainer plate, seals, gaskets, balancer bolt, dowel pins, and more

Important Notes:

• Optional upgrade to 1/2″ ARP head studs available (PRC heads required)
• Gen III blocks use LS1/LS6-style covers/components but require LS2/LS3 head bolts
• Turn-key engine packages and custom upgrades available

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

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