Speak with an Expert
Speak with an Expert
Free* Shipping on Orders Over $159
Easy 30 Days- No Hassle Returns
37,000+ 5 Star Reviews
MFG Fitment Guarantee
Couldn't load pickup availability
Comp Cams Part Number 54-446-11 is an XFI Xtreme Energy-R 232/234 hydraulic roller camshaft designed for GM LS Gen III/IV 3-bolt engines (1997–2015). Built for aggressive street/strip applications, this cam provides exceptional midrange and high-RPM power while maintaining strong throttle response. The XE-R series is engineered for high efficiency, improved airflow, and increased area under the curve, making it ideal for high-output LS builds.
XFI Xtreme Energy-R series hydraulic roller camshaft
Strong midrange and top-end power ideal for street/strip performance
Designed for 3-bolt LS cam cores
Works well with upgraded intake, exhaust, converter, and tuning
2,400–7,200 RPM operating range
Optimized lobe design for improved airflow and efficiency
| Specification | Value |
|---|---|
| Camshaft Type | Hydraulic Roller |
| Series | XFI XE-R |
| Engine Family | GM LS Gen III/IV (1997–2015), 3-Bolt |
| RPM Range | 2,400–7,200 |
| Advertised Duration (Int/Exh) | 281 / 283 |
| Duration @ .050" (Int/Exh) | 232 / 234 |
| Valve Lift (Int/Exh) | 0.595 / 0.598 |
| Lobe Lift (Int/Exh) | 0.350 / 0.352 |
| Lobe Separation Angle | 112° |
| Intake Centerline | 110° |
| Intake Open (BTDC) | 31° |
| Intake Close (ABDC) | 71° |
| Exhaust Open (BBDC) | 76° |
| Exhaust Close (ATDC) | 28° |
| Valve Timing @ .006" | Not specified |
| Cam Gear Attachment | 3-Bolt |
| Usage | Street/Strip |
| Lifter Type | Hydraulic Roller |
| Warranty | 12 Months |
| UPC | 036584068662 |
| Emissions Code | Not specified |
| Make | GM |
| California Proposition 65 | Cancer & Reproductive Harm (P65Warnings.ca.gov) |
Make: GM
Engine Family: LS1, LS2, LS3, LS6, LS-based Gen III/IV (except VVT/AFM engines without conversion)
Years: 1997–2015
Notes:
Requires proper valvetrain upgrades
Tuning strongly recommended
3-bolt camshaft required
