BTR-TWINTURBOSTG4 Hydraulic Roller Stage 4 Twin Turbo Camshaft for GM Gen III/IV LS Engines

Name: BTR-TWINTURBOSTG4 Hydraulic Roller Stage 4 Twin Turbo Camshaft for GM Gen III/IV LS Engines
Brand: BRIAN TOOLEY RACING BTR
SKU: 559-J000119
Price: 409.99 USD
Availability: InStock

^$409⁹⁹

Ships on 09/15/2026

Lowest Price Guarantee

LS Twin Turbo Hydraulic Roller Stage 4 Camshaft

Gen III/IV LS Engines

Duration @ .050: 236 Int./244 Ex.

Lift .621 in./.621 in.

LSA 114 deg

Maximum Effort Twin Turbo Grind

The BTR-TWINTURBOSTG4 camshaft is engineered for maximum output in large twin-turbo LS applications, delivering exceptional airflow and high-RPM stability under heavy boost.

Brian Tooley Racing BTR-TWINTURBOSTG4 Features:

Duration @ .050: 236 Int. / 244 Ex.
Valve Lift: .621 in. Int. / .621 in. Ex.
LSA: 114 deg
Optimized for high-boost twin-turbo combinations
Provides broad torque and extreme top-end performance

Brian Tooley Racing BTR-TWINTURBOSTG4 Notes:

Requires dual valve springs and hardened pushrods
Professional ECU tuning mandatory

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART

Part TypeCamshaft

BrandBRIAN TOOLEY RACING BTR

Package Height3.0

Package Width3.0

Package Length25.0

Weight15.0 PG

Intake Valve Lift.621

Lobe Separation Deg114

Part FitmentSemi Universal

Engine Make/SizeGM Gen III/IV LS

Exhaust Valve Lift.621