Home › Cams › Comp Cams XR265HR (XFI RPM 212/218) — Low-lift 54-412-11
Comp Cams XR265HR (XFI RPM 212/218) — Low-lift 54-412-11 cam: specs, price & owner results
212/218 .522"/.529" 114 LSA
| Spec | Value |
|---|---|
| Engine | Gen III/Gen IV LS |
| Style | HYDRAULIC ROLLER |
| Duration @ .050 (int/exh) | 212.0 / 218.0 |
| Lift (int/exh) | 0.522 / 0.529 |
| LSA | 114.0 |
| RPM range | 1200-6000 |
| Converter | Stock converter acceptable |
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Tuning checklist
- Tune: Aftermarket cams need idle, fuel, spark and torque-model changes.
- Converter (automatics): Stock converter acceptable
What owners report with this cam
Owner-reported numbers from public forum threads — exploratory, not verified. Dynos, heads, supporting mods and tunes differ; use these as a rough range, not a promise.
19reports
313median rear-wheel hp, NA (n=9; low-confidence reports excluded)
272–345range, same basis
| Engine | Heads | HP | TQ | Measured at | Adder | Confidence | Thread |
|---|---|---|---|---|---|---|---|
| LS1 (stock long block) | 559 | 587 | Crank | nitrous (Zex wet 100 shot) | High | motortrend | |
| 4.8L LR4 (Gen III, stock long-block) | stock LR4 | 501 | 533 | Crank | nitrous (Zex single-nozzle wet, 125hp jetting, activated 4800 rpm) | High | enginelabs.com |
| LS1 5.7 | 447 | 433 | Crank | NA | High | motortrend.com | |
| LM7 | TEA Stage 2 CNC-ported stock | 445 | 434 | Not stated | NA | High | motortrend.com |
| LS1 5.7 (GMPP crate PN 25534322) | stock 241 | 438 | 426 | Not stated | NA | High | theautobuilder.com |
| LM7 | TEA Stage 2 CNC-ported stock | 424 | 423 | Not stated | NA | High | motortrend.com |
| LM7 | stock 706 | 385 | 412 | Not stated | NA | High | motortrend.com |
| 4.8L LR4 (Gen III, stock long-block) | stock LR4 | 382 | 359 | Crank | NA | High | enginelabs.com |
| 6.0 LQ4 (stock heads, 9.4:1) | stock (LQ4) | 345 | 350 | Wheel | NA | High | performancetrucks.net |
| 799 | 313 | 328 | Wheel | NA | High | performancetrucks.net | |
| 5.3 | 799 castings (from 243 castings) | 313 | 328 | Wheel | NA | Medium | performancetrucks.net |
| Gen IV 5.3L | 799 (LS6-style) | 313 | 328 | Wheel | NA | Medium | performancetrucks.net |
| LM7 5.3 | 799 (LS6-style) | 313 | 328 | Wheel | NA | High | performancetrucks.net |
| lm7 5.3 | 310 | 312 | Wheel | NA | High | performancetrucks.net | |
| 297 | Wheel | NA | Low | performancetrucks.net | |||
| 5.3 | 297 | Wheel | NA | Medium | performancetrucks.net | ||
| LM7 | 293 | Wheel | NA | High | customgm.com | ||
| 5.3 | stock | 289 | Wheel | NA | Medium | performancetrucks.net | |
| 272 | 295 | Wheel | NA | High | performancetrucks.net |
Sources
- DOD, AFM, And DFM Deletes: A Q&A With Michigan Motorsports — LSX Magazine
- Streetfx.Au — Streetfx.Au