Vengeance Racing Phase 4 TT - C8

C8 Stingray Phase IV TT Performance Package

The Phase IV TT Package is the most extreme twin turbo system we offer for the C8 Stingray—built for enthusiasts chasing maximum power without compromise. Delivering up to 300 horsepower gains, this package combines race-proven turbo technology with built internals, CNC-ported heads, full fueling, and transmission upgrades for unmatched performance on the street or track.

Package Includes:

• Vengeance Racing Twin Turbo Kit (PTE) – Precision-engineered for fast spool, broad powerband, and proven durability

• CPR GESI High Flow Cats – Reduces backpressure while maintaining emissions compliance

• DSX MAF/IAT Breakout Harness – Delivers accurate sensor data for safe and precise tuning

• 3 Bar MAP Sensor – Supports high-boost calibration and fuel control

• LME CNC-Ported Cylinder Heads – Maximizes airflow and efficiency at high power levels

• Gen V LT2 Camshaft Kit – Complete VVT/DOD-compatible cam upgrade for elevated torque and top-end power

• VR Drop-In Pistons and Rods – Reinforced internals built to withstand high boost and power levels

Fueling System Upgrades:

• OEM GM LT4 Injectors

• LT4 High-Pressure Fuel Pump (HPFP)

• LT4 Intermediate Pipes, Gasket, and Harness

• DSX Auxiliary Low-Side Fuel System – Ensures consistent fuel delivery under wide-open throttle

Engine & Driveline Support:

• NGK LTR7IX Spark Plug Set – Designed for boosted applications

• Mighty Mouse Catch Can – Helps prevent oil blow-by and maintains intake system cleanliness

• Dodson Sportsman Clutch Kit & Clutch Box – Built to handle high torque without compromising shift quality

• OEM GM DCT Filters and Stator – Supports long-term reliability of the dual-clutch transmission

OEM GM Exhaust and Pre-Cat Gaskets included for proper sealing.

Note: This package includes a cylinder head exchange—customers are required to return their stock heads as part of the build process.

Professional installation and tuning are required.