BTR-30612120 Hydraulic Roller Camshaft for GM Gen III/IV LS Truck Engines

Name: BTR-30612120 Hydraulic Roller Camshaft for GM Gen III/IV LS Truck Engines
Brand: BRIAN TOOLEY RACING BTR
SKU: 559-BTR-30612120
Price: 389.99 USD
Availability: InStock

^$389⁹⁹

Ships on 09/15/2026

Lowest Price Guarantee

Gen III/IV LS Truck Hydraulic Roller Camshaft

4.8 L–6.2 L Applications

Duration @ .050: 206 Int./212 Ex.

Lift .553 in./.553 in.

LSA 112 deg

Stage 1 V2 Truck Grind

Stage 1 V2 truck profile that adds crisp throttle response and mid-range torque while keeping idle quality suitable for daily use.

Brian Tooley Racing BTR-30612120 Features:

Duration @ .050: 206 Int. / 212 Ex.
Valve Lift: .553 in. Int. / .553 in. Ex.
LSA: 112 deg
Designed to work with stock converters in many applications
Street-friendly with noticeable performance gain

Brian Tooley Racing BTR-30612120 Notes:

AFM/DOD delete or tuning required on equipped engines
Upgraded valve springs recommended

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

Unlock Maximum LS Power with BTR Camshafts for GM Gen III/IV LS Engines

Brian Tooley Racing (BTR) offers high-performance camshaft solutions tailored for Gen III/IV GM LS platforms, perfect for Silverado/Sierra trucks and LS‑swapped muscle cars. With aggressive grind profiles, durable design, and dyno-proven power gains, these camshafts deliver torque and horsepower increases across the RPM range.BTR's Gen III/IV cam lineup includes the signature Truck Norris, Stage 1, Stage 2, Stage 3, LS1/LS2 Stage 3, LS3 Stage 4, and turbo‑optimized variants like Stage 1 Turbo and Twin Turbo V2. Each cam is CNC-ground from proprietary cores, heat-treated for lasting reliability, and spin- and dyno-tested for peak performance and stability.

Part TypeCamshaft

Product LineBrian Tooley Racing BTR Camshafts for GM Gen III/IV LS Engines

BrandBRIAN TOOLEY RACING BTR

Package Height3.0

Package Width3.0

Package Length24.0

Weight15.0 PG

Part CategoryPerformance Parts

Intake Valve Lift.553

Lobe Separation Deg112

Part FitmentSemi Universal

Engine Make/SizeGM Gen III/IV LS