Texas Speed Stage 3 LS3 N/A Camshaft (TSP-231246-111-3B) - LS3/L92 Rectangle Port Engines
Unleash serious naturally aspirated performance with the Texas Speed Stage 3 LS3 Camshaft. Designed for LS3 and rectangle port LS engine combinations looking for aggressive power gains and hard-charging top-end performance, this camshaft delivers the lopey idle, increased airflow, and upper RPM power enthusiasts demand from a true performance cam.
With 231/246 duration, .640/.615 lift, and a tight 111 LSA, the Stage 3 LS3 camshaft offers exceptional horsepower potential while still maintaining surprisingly good street manners when properly tuned. This camshaft is an excellent choice for customers wanting more top-end power than the Stage 2 229/244 setup, making it ideal for high-performance street cars, weekend track builds, and naturally aspirated LS combinations using LS3 or L92 rectangle port cylinder heads.
Camshaft Specifications
- Duration @ .050: 231/246
- Lift: .640/.615
- Lobe Separation Angle: 111 LSA
- Intake Centerline: 109 ICL
- 3-Bolt Camshaft Design
Features
- Aggressive naturally aspirated camshaft for LS3 and rectangle port LS builds
- Excellent top-end horsepower and torque gains
- Produces aggressive idle chop and strong performance sound
- Designed for LS3 and LS2 engines using L92/LS3 rectangle port heads
- Estimated gains of 88 horsepower and 28 ft-lbs of torque
- Ideal for street, strip, and high-performance naturally aspirated builds
- Maintains solid street drivability with proper tuning
- Custom tuning required after installation
Recommended Supporting Modifications
- Recommended valve springs: TSP/PAC Dual .660 Valve Springs
- Recommended compression ratio: 10.5:1 or higher
- 3200+ RPM aftermarket stall converter required for automatic applications
- No upgraded rear gear required
Operating Range
Recommended operating RPM range: 2000-6900 RPM
Important Information
This camshaft is only available in a 3-bolt design. Vehicles originally equipped with a factory single-bolt camshaft will require a 3-bolt conversion kit that includes the proper 4x upper timing gear and ARP camshaft bolt kit. Complete upgraded timing set conversion kits are also available for customers replacing the full timing assembly.
Fitment
- LS3 Engines with Rectangle Port Cylinder Heads
- LS2 Engines with L92/LS3 Rectangle Port Cylinder Heads
- 6.0L LS Engines with Rectangle Port Heads
- 6.2L LS Engines with Rectangle Port Heads
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