TSP 427 C.I.D. LSx Short-Block

TSP 427 C.I.D. LSx Short-Block

ADD 6–8 WEEK LEAD TIME TO ALL LSX/DART BASED BUILDS DUE TO BLOCK AVAILABILITY!!!

The Texas Speed & Performance 427 C.I.D. LSx Short-Block is built using a brand-new GM Performance Parts LSx iron block and comes fully assembled with a 4.00″ stroke crankshaft and your choice of 24X or 58X reluctor.

Key Features:

• New GM LSx iron block for maximum strength
• Uses 4.125″ or 4.127″ bore piston sets (unless noted)
• Choice of Wiseco, Diamond, or Mahle 2618 forged pistons
• Lowered ring lands for boost or nitrous capability
• Oil and coolant plugs pre-installed

Available Options:

• Optional LS1 conversion package for LS1 vehicle swaps
• Dry-sump crank option for 2006+ Corvette Z06 / GS / ZR1 installs
• Upgrade to 1/2″ ARP head studs for extreme boost or nitrous setups

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

Note: Custom rotating assembly options are available. Contact Texas Speed for an itemized quote and application guidance.