"AB" Grind Cam / Shovelhead

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Fits '78-'79 and '82-'84.  See Fitment Guide

• More mid-range and top-end power for street and drag bikes. These cams work with solid or hydraulic lifters, and the idle remains unaffected up to 6,000 rpm with stock valve springs
• Cams are computer designed and precision ground from alloy steel billets on Landis CNC cam grinders
• Made in the USA
• Must check coil bind, valve to valve clearance, and valve to piston clearance.
• On late '77 and later engines, the pitch diameter on the camshaft, pinion gear, and the breather valve gear was changed. These components are not interchangeable with earlier-style components unless replaced in set only. Late '77 and later gear sets are identified by a circular groove machined in the outer face of the cam gear.
• Intake Lift at TDC    Shovel: 0.156" 
  Intake Open    21°
  Intake Lift    0.450"
  Intake Duration    244°
  Intake Close    50°
  Exhaust Lift    0.450"
  Exhaust Duration    256°
  Exhaust Lift at TDC    Shovel: 0.142" 
  Exhaust Open    43°
  Exhaust Close    26°
• Note:
  • Bolt-in street cam has an "A" intake and a long duration exhaust for cooler running and high-end power.
  • Suitable for hydraulic lifters.
  • Not for '80 - '81 Shovelhead.