Texas Speed & Performance 427 CID Dart LS Next Iron Short Block -13cc Pistons

Build your high-output LS combination around the Texas Speed & Performance 427 CID Dart LS Next iron short block with -13cc pistons. Its six-bolt block configuration and forged rotating assembly provide a foundation rated by the supplier to handle up to 1,200 HP with appropriate supporting components and tuning. This is build capacity, not guaranteed engine output.

• Dart LS Next iron block with six-bolt main-cap configuration
• TSP 58x forged crankshaft with 4.00-inch stroke
• TSP/Wiseco 4.125-inch forged pistons with -13cc dish and upgraded wrist pins
• TSP 4340 steel 6.125-inch I-beam connecting rods
• ARP main stud kit
• Upgraded 1/2-inch head studs included
• Manufacturer part number: TSP-DART4271200HP-13-STD

This listing is for the -13cc piston configuration. It is a short block, not a complete ready-to-run engine. Verify cylinder heads, head-stud compatibility, 58x electronics, installation clearance and supporting components for your build. Collection membership does not imply direct-fit compatibility with every stock LS vehicle.