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The Lexus IS has long been celebrated for its blend of luxury and performance. However, for enthusiasts seeking to unlock additional horsepower, aftermarket modifications can provide significant gains. One of the most effective upgrades for enhancing engine performance is the installation of aftermarket camshafts. In this article, we will explore various aftermarket camshafts that can help achieve a 15 horsepower increase in your Lexus IS.
Understanding Camshafts
Camshafts play a crucial role in an engine’s performance by controlling the timing and duration of the valve openings. By altering these parameters, aftermarket camshafts can improve airflow into and out of the engine, leading to better combustion and increased power output. In the context of the Lexus IS, selecting the right camshaft is essential for maximizing performance while maintaining reliability.
Key Factors in Choosing Aftermarket Camshafts
- Duration: The length of time the valve is open during each cycle.
- Lift: The height the valve is lifted off its seat.
- Overlap: The period when both the intake and exhaust valves are open simultaneously.
- Engine Compatibility: Ensuring the camshaft is designed for your specific engine model.
Top Aftermarket Camshafts for Lexus IS
1. BC Racing Camshafts
BC Racing offers a range of camshafts designed specifically for the Lexus IS platform. Their camshafts typically feature increased duration and lift, which can lead to significant power gains. Users have reported improvements in throttle response and overall engine performance.
2. Brian Crower Camshafts
Brian Crower is a well-known name in the aftermarket performance industry. Their camshafts for the Lexus IS are designed to provide a balance between performance and drivability. With options for both street and race applications, these camshafts are popular among enthusiasts looking to enhance their vehicle’s capabilities.
3. HKS Camshafts
HKS camshafts are renowned for their quality and performance. Designed for high RPM applications, these camshafts can help unlock additional horsepower while maintaining engine reliability. HKS camshafts are often favored by those participating in motorsports or seeking maximum performance from their Lexus IS.
Installation Considerations
Installing aftermarket camshafts is a complex process that requires precision and expertise. It is recommended to have the installation performed by a professional mechanic or a tuning shop experienced with Lexus vehicles. Additionally, proper tuning is essential after installation to ensure the engine runs smoothly and efficiently.
Potential Gains and Performance Improvements
With the right aftermarket camshaft, Lexus IS owners can expect noticeable improvements in performance. Achieving a 15 horsepower increase is feasible with the right combination of camshaft specifications and tuning. Other benefits may include:
- Improved throttle response
- Enhanced engine sound
- Increased torque in the mid-range RPMs
- Better overall driving experience
Conclusion
Aftermarket camshafts offer an exciting opportunity for Lexus IS owners to enhance their vehicle’s performance. By carefully selecting the right camshaft and ensuring proper installation and tuning, achieving a 15 horsepower increase is within reach. Whether you choose BC Racing, Brian Crower, or HKS, each option presents unique benefits that can transform your driving experience.