Quick Answer: What’s the Best Camshaft for LS3?
For daily street performance: GM Motorsport Superstock Camshaft offers the best balance of smooth idle, power, and comfort.
For aggressive street builds: Chopper Reid brings a serious idle note and delivers strong power from 3,200 RPM up, perfect for those who want attitude and performance.
For racing or turbo setups: Street Racer and Turbo Killer II provide top-end power and performance.
For supercharged setups: LSA Max / Supercharger II is engineered for forced induction, maximizing torque and driveability.
LS Camshaft Comparison Table
| Camshaft | Best For | Specs | Idle | Link |
|---|---|---|---|---|
| Superstock | Street, Daily Driver | Intake 219 / Exhaust 235, LSA 118 | Smooth | View |
| Stealth | Daily/Street, Mild Upgrade | Intake 223 / Exhaust 235, LSA 115 | Mild | View |
| Torque Master | Performance/Street | Intake 227 / Exhaust 239, LSA 114 | Healthy | View |
| Street Racer | Race/High Power Upgrades | Intake 231 / Exhaust 243, LSA 113 | Aggressive | View |
| Chopper Reid | Aggressive Street, Track | Intake 230 / Exhaust 236, LSA 109 | Serious | View |
| Turbo Killer II | Turbo Builds, Race | Intake 237 / Exhaust 243, LSA 112 | Aggressive (Turbo) | View |
| LSA Max / Supercharger II | Supercharged/Forced Induction | Intake 217 / Exhaust 245, LSA 120 | Smooth (FI) | View |
Frequently Asked Questions
- Q: What is the best camshaft for a daily-driven LS3?
A: The Superstock or Stealth camshafts are perfect for daily comfort and extra power. - Q: What’s the best camshaft for an aggressive street LS3 build?
A: The Chopper Reid camshaft is great for aggressive street cars—delivering a bold idle and strong performance from 3,200 RPM upwards. - Q: Which camshaft suits turbocharged LS engines?
A: Turbo Killer II is specifically engineered for turbo setups. - Q: Do I need a tune after installing a camshaft?
A: Yes, professional tuning is recommended with any camshaft upgrade to maximize performance and reliability. - Q: How does cam selection affect idle and sound?
A: Superstock and Stealth have smoother idle; Chopper Reid and Street Racer produce a more aggressive idle note. - Q: What supporting mods help camshafts perform best?
A: Headers, cold air intake, proper exhaust, fueling, and tuning amplify gains from any camshaft.
GM Motorsport LS Camshaft Selection Guide
Unlock hidden power, sharpen throttle response, and transform your LS engine’s character—an expertly chosen camshaft makes all the difference.
At GM Motorsport, every cam is engineered and tested by enthusiasts, for enthusiasts.
Camshaft Options
Superstock Camshaft
Spec: Intake 219 / Exhaust 235 — LSA 118
Idle: Smooth
- Serious low to mid-range grunt with smooth drivability
- Noticeable power increase on stock converter/diff
- Perfect for daily drivers wanting power without sacrificing comfort
- Balanced performance: power and refinement
Stealth Camshaft
Spec: Intake 223 / Exhaust 235 — LSA 115
Idle: Mild, street-friendly
- Wide Lobe Separation Angle (LSA) for smooth idle
- Impressive mid-range to top-end power
- Drives easily in traffic, compatible with stock torque converter
- Exciting yet comfortable for daily use
Torque Master
Spec: Intake 227 / Exhaust 239 — LSA 114
Idle: Healthy
- Strong power in mid to high RPM
- Recommended: 3.45 auto gear ratio, or 3.7 manual for optimal throttle
- Responsive and dynamic
- Great balance of low-end torque and top-end performance
Street Racer
Spec: Intake 231 / Exhaust 243 — LSA 113
Idle: Aggressive, noticeable growl
- Power and torque from 3,200 RPM upwards
- Pair with REX triple step headers & cats for max flow
- Best with high-flow OTR intake and good fuel
- Suits both street and track, works well with Harrop superchargers
Chopper Reid
Spec: Intake 230 / Exhaust 236 — LSA 109
Idle: Serious
- Strong power from 3,200 RPM onwards
- Aggressive tone at idle & perfect for street cars seeking attitude
- Performance maximized with REX headers, OTR intake, and quality fuel
Turbo Killer II
Spec: Intake 237 / Exhaust 243 — LSA 112
Idle: Aggressive (Turbo-Specific)
- Engineered to maximize turbo performance for LS builds
- Strong mid/high RPM power
- Perfect for serious turbo street and race applications
- Suits high-output builds and dedicated turbo systems
LSA Max / Supercharger II
Spec: Intake 217 / Exhaust 245 — LSA 120
Idle: Smooth (Forced Induction)
- Developed for LSA supercharged/forced induction applications
- Smooth idle for high performance builds
- Delivers strong low/mid torque and robust powerband
- Ideal for street/track supercharger conversions
How to Choose Your LS Camshaft
- What's your goal?
- Daily street: Stealth or Superstock
- Performance upgrade: Torque Master or Street Racer or Turbo Killer II
- Aggressive street: Chopper Reid
- Forced Induction: LSA Max / Supercharger II or Turbo Killer II
- Converter & Diff Ratio
- Stock converter/diff: Superstock or Stealth
- Upgraded converter/gearing: Street Racer, Chopper Reid, Turbo Killer II, LSA Max
- Supporting Mods
- Match camshafts with headers, intake, turbo/supercharger, and quality fuel for best results
- Need Help?
- Contact GM Motorsport for recommendations, dyno results, and installation support
Why Choose GM Motorsport?
- In-house engineering and dyno-proven results
- Real-world testing, not just parts lists
- Trusted by Australia’s performance community
- Premium build quality and motorsport credibility