Best Performance Camshafts for LS3 Engines
The LS3 engine, renowned for its power and versatility, benefits significantly from the right camshaft upgrade. Selecting the best cam for LS3 can enhance horsepower, torque, and overall vehicle performance. Below is a comparison table summarizing top camshaft kits and profiles tailored for LS3 and compatible engines to help you make an informed decision.
| Product | Specs | Included Components | Compatibility | Brand |
|---|---|---|---|---|
| Texas Speed Chopacabra Truck Camshaft Kit | 214/222 Duration, .550″/.550″ Lift, 108 LSA | Cam Kit, Gaskets, Delphi LS7 Lifters, Guide Trays | 1999-2013 GM Gen III/IV LS 6.0L & 6.2L Vortec Trucks | Michigan Motorsports |
| Texas Speed LS3 Stage 3 Camshaft | 231/246 Duration, .640″/.615″ Lift, 111 LSA | Camshaft Only | 6.2L LS3, LSA, L92 Engines | Michigan Motorsports |
| Texas Speed BFD Chop Monster Camshaft Kit | 229/246 Duration, .600″/.600″ Lift, 110 LSA | Camshaft Only | LS3, L99, L92, L96, LY6 Rectangle Port Engines | Michigan Motorsports |
| Texas Speed Stage 2 LS3 Camshaft Kit | 229/244 Duration, .629″/.615″ Lift | Camshaft, Dual Valve Springs, Titanium Retainers, Pushrods | 6.2L LS3, LSA, L92 Naturally Aspirated Engines | Michigan Motorsports |
| BTR Brian Tooley Racing Truck Norris Camshaft Kit | 212/22X Duration, .552″/.552″ Lift, 107 LSA | Camshaft, Beehive Springs, Pushrods, Gaskets, Lifters | 1999-2013 Gen 3/4 6.0 & 6.2 LS3 Vortec Engines | Michigan Motorsports |
Texas Speed Chopacabra Truck Camshaft Install Kit
The Texas Speed Chopacabra Truck Camshaft Kit is designed for GM Gen III and IV LS engines, specifically 6.0L and 6.2L Vortec trucks made between 1999 and 2013. It features a 214/222 duration with .550″ lift on both intake and exhaust cams and a 108 LSA, making it an aggressive option focused on delivering a mean sound with enhanced performance.
This kit includes all essential installation components such as cam gaskets, Delphi LS7 lifters, and guide trays, ensuring a smooth and complete installation process. Ideal for users wanting a snarling exhaust note combined with solid power gains while maintaining compatibility with factory torque converters and LS6 valve springs.
Texas Speed LS3 Stage 3 Camshaft
This Stage 3 Camshaft from Texas Speed offers a substantial upgrade with 231/246 degrees duration and .640″ intake and .615″ exhaust lift, paired with a 111 LSA for a more aggressive power band. Developed and tested on a state-of-the-art Superflow 902 engine dyno, this camshaft provides excellent top-end power gains.
Perfect for customers who want more performance than the Stage 2 camshafts, it’s tailored for naturally aspirated 6.2L LS3, LSA, and L92 engines. The cam focuses on maximizing power output while ensuring reliable operation on aggressive performance builds.
Texas Speed BFD Chop Monster 6.2L Camshaft Kit
The BFD Chop Monster Camshaft caters to LS3 and other 6.0L and 6.2L rectangle port engines such as L99, L96, and L92. It offers a solid 229/246 degree duration with .600″ lift on both intake and exhaust lobes and a 110 LSA, striking a balance between street and track performance.
With a 3-bolt pattern, this camshaft fits 1999-2013 LS-based engines and is engineered to improve mid-range torque and top-end power, making it a versatile choice for street-driven trucks and performance enthusiasts wanting a distinct aggressive sound coupled with consistent performance.
Texas Speed Stage 2 LS3 Camshaft Kit
The Stage 2 LS3 Camshaft Kit delivers a balanced upgrade focused on improving midrange torque and strong top-end horsepower while retaining daily drivability. Its specs are 229/244 degree duration with .629″ intake and .615″ exhaust lift and a 3-bolt pattern.
This complete kit includes dual valve springs, titanium retainers, spring seats, pushrods, seals, and other essential components for a professional installation. Compatible with 6.2L LS3, LSA, and L92 cylinder heads, it is designed primarily for naturally aspirated LS engines.
BTR Brian Tooley Racing Truck Norris Camshaft Kit
The Truck Norris Camshaft Kit by Brian Tooley Racing is aimed at 1999-2013 Gen 3/4 6.0 and 6.2 LS engines, offering 212/22X duration with .552″ lift and a 107 LSA. This kit emphasizes reliable truck performance and throttle response with a cam profile optimized for durability.
The package includes beehive springs, valve seals, premium 7.400″ chromoly pushrods, a complete gasket kit, LS3 head gaskets, 16 Delphi LS7 lifters, and lifter tray guides. This makes it a comprehensive upgrade kit tailored for trucks requiring a stout cam and reliable valvetrain components.
Buying Guide for LS3 Camshafts
Choosing the right camshaft for your LS3 engine depends on multiple factors which affect performance, durability, and drivability.
Engine Compatibility
Confirm the camshaft you choose is compatible with your LS engine variant, whether LS3, LSA, L92, or other Gen III/IV blocks. Bolt pattern (commonly 3-bolt) and port style (square or rectangle) matter for fitting.
Duration and Lift Specs
Higher camshaft duration generally improves top-end power at the expense of low-end torque. Lift affects valve opening and airflow. Depending on your desired powerband (street vs. race), choose the cam specs accordingly.
Valve Spring and Valvetrain Requirements
Many performance cams require upgraded valve springs and retainers to prevent valve float. Kits that include necessary hardware offer convenience and guarantee compatibility.
Installation Kit Completeness
Some camshaft kits come with essential installation components—lifters, gaskets, pushrods, and retainers—making installation easier and more reliable. If purchasing separately, ensure these parts match your cam choice.
Engine Use and Power Goals
For daily driving and towing, a milder cam like Stage 2 is suitable, providing torque and drivability. For aggressive street or track cams, stages 3 and 4 offer higher performance at some drivability trade-offs. Consider your vehicle’s purpose carefully.
Sound and Character
Cams affect exhaust note and engine sound. Some, like the Chopacabra, are tuned to produce unique snarling sounds as part of their appeal. Factor in sound preferences when selecting a cam.
Budget and Brand Reputation
While prices vary, opting for recognized brands like Texas Speed and Brian Tooley Racing ensures quality, dyno-tested designs, and acceptable warranty support.
In summary, evaluate your engine setup, intended use, power goals, and installation preferences to select the best LS3 camshaft kit that optimally balances performance, reliability, and value.