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The COMP Cams CRB 306S camshaft kit is supplied as a complete K‑kit: camshaft, lifters, valve springs, retainers, locks, stem seals, timing chain set and assembly lube, with decals and instructions. Built for serious street/strip 440 combinations, it prefers a 3500 rpm stall and 10.5:1+ compression with 800–850 CFM carburetion; note 383 engines require much higher stall converters (around 4000+ rpm) to benefit fully.
COMP Cams Camshaft Kit CRB 306S
