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Comp Cams XR265HR (XFI RPM HI-LIFT 212/218) — Hi-lift 54-424-11 cam: specs, price & owner results
212/218 .558"/.563" 115 LSA
| Spec | Value |
|---|---|
| Engine | Gen III/Gen IV LS |
| Style | HYDRAULIC ROLLER |
| Duration @ .050 (int/exh) | 212.0 / 218.0 |
| Lift (int/exh) | 0.558 / 0.563 |
| LSA | 115.0 |
| RPM range | 1400-6700 |
| Converter | Stock converter acceptable; mild street cam |
| Price | $454.50 (Shomespeed, 2026-09-29) |
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Check current price at Shomespeed
Tuning checklist
- Tune: Aftermarket cams need idle, fuel, spark and torque-model changes.
- Converter (automatics): Stock converter acceptable; mild street cam
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.
2reports
402median rear-wheel hp, NA (n=2; low-confidence reports excluded)
395–410range, same basis
| Engine | Heads | HP | TQ | Measured at | Adder | Confidence | Thread |
|---|---|---|---|---|---|---|---|
| LS1 | ProMaxx LS6 heads | 410 | 422 | Wheel | NA | High | corvetteforum.com |
| LS1 | stock LS6 | 395 | 381 | Wheel | NA | High | ls1tech.com |
Sources
- DOD, AFM, And DFM Deletes: A Q&A With Michigan Motorsports — LSX Magazine
- Shomespeed — Shomespeed