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The COMP Cams CS 321QnHR-8 hydraulic roller cam delivers a 267/275 profile tailored to larger cubic-inch engines, performing best with higher compression (11.5:1+) and a high-stall torque converter around 4500 rpm. Suited to race-focused builds that need strong mid-to-top-end power. Use only melanized or nitrided distributor gears; cast or untreated steel gears are not compatible and may void returns or warranties.
COMP Cams Camshaft CS 321QnHR-8
