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The COMP Cams Magnum camshaft FS 270Rf-HR10 is an older Magnum-series grind that boosts high‑RPM power while avoiding excessive valve‑train wear. It’s intended for higher compression engines and performs best with an aftermarket higher‑stall torque converter. Suited to street-oriented builds, it provides good highway cruising power with only a slightly more noticeable idle and matches mild ratio rockers and standard performance springs.
COMP Cams Camshaft FS 270Rf-HR10
