TSP 418 C.I.D. LS3/L99/LSA Long-Block

TSP 418 C.I.D. LS3/L99/LSA Long-Block

The Texas Speed & Performance 418 C.I.D. LS3/L99/LSA Long-Block is built on a brand-new GM L92/LS3 aluminum block with a 4.00″ stroke crankshaft and your choice of 24X or 58X reluctor. Standard builds use 4.070″ or 4.080″ bore forged pistons, making this a strong foundation for street, strip, and boosted combinations.

Key Features:

• New GM L92/LS3 aluminum block short-block assembly
• Choice of Wiseco, CP, Diamond, or Mahle2618 forged pistons (lowered ring lands)
• Oil and coolant plugs pre-installed
• Custom rotating assembly options available

Long-Block Includes (Installed):

• PRC as-cast 225cc cathedral-port heads with TSP dual valve spring kit
• Your choice of TSP camshaft
• LS2 or LS3-specific timing set
• Johnson 2110R lifters
• TSP hardened chromemoly pushrods
• GM head bolts + GM MLS head gaskets
• GM high performance LS6 oil pump or L99 oil pump
• Complete gaskets/bolts/seals package (lifter trays, retainer plate, timing cover, valley cover, oil pump O-ring, balancer bolt, oil pan gasket, water pump gaskets, rear main seal, front crank seal, dowel pins, and more)

Options & Notes:

• Optional LS1 conversion package for LS1 vehicle swaps
• Turn-key long-block options available (oil pan, intake, throttle body, etc.)
• Expedite service may be available (as little as five business days depending on parts availability)

All TSP engines include 12 quarts of break-in oil at no additional cost. Driven Racing Oil options are available after break-in (HR2 conventional non-synthetic recommended).

Note: Custom upgrades (ARP hardware, Cometic gaskets, etc.) are available. Contact Texas Speed for an itemized quote and current build time.