Texas Speed 427 LT2 Stroker Short Block

The Texas Speed 427 LT2 Stroker Short Block is built to deliver maximum displacement and high-revving performance in the C8 Corvette platform. Utilizing a re-sleeved GM LT2 aluminum block and a forged rotating assembly featuring a Callies 4.000” crank and 4.125” Diamond pistons, this short block is internally balanced and precision-built for aggressive naturally aspirated or power-adder applications. Rated for 1,000 horsepower, it's the perfect match for drivers demanding big cubic inches with bulletproof strength.

Core Components

Engine Block: LT2 Gen V Aluminum Bare Block (Reinforced with aftermarket sleeves)
Crankshaft: Callies Compstar 4.000” Stroke LT2 Crankshaft
Connecting Rods: Texas Speed 6.125” Super I-Beam Connecting Rod Set
Pistons: Diamond 4.125” Bore Forged Pistons w/ -21cc Dish
Main Stud Kit: ARP Main Stud Kit
Oil Restrictor: Precision LT Billet Oil Restrictor

Technical Specifications

Displacement: 427 CID
Bore Size: 4.125"
Stroke: 4.000"
Rod Length: 6.125”
Compression Ratio: 10.6:1
Balancing: Internally Balanced Rotating Assembly
Power Rating: Rated for 1,200 Horsepower

Performance & Compatibility

Built for enthusiasts pushing the envelope, this 427 stroker short block is ideal for naturally aspirated drag builds, all-out road racing, or boosted street monsters. Compatible with the C8 Corvette LT2 platform and engineered for serious power and durability, it’s the ultimate drop-in short block for high-displacement LT builds.

*NOTE: Oil Pan Modification or Aftermarket Oil Pan is Required*