#1 Grind Low Compression Cam

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Low-Compression Cam - #1 Grind - Shovelhead Designed with a combination of shorter durations and higher lifts to offer the advantages of a broad torque output through the entire rp m range Designed for hydraulics, but could be run with solids Grind #1 is the low-compression version of an "A" grind cam for 74" and 80" models Made in the USA On late '77 and later engines, the pitch diameter on the camshaft, pinion gear and breather valve gear was changed. These components are not interchangeable with earlier style components unless replaced in sets only. Late '77 and later gear sets are identified by a circular groove machined in the outer face of the cam gear. Show more