Increase performance at an affordable pricer Quick installation - reuse many stock components Easy start camshafts allow stock starter to start any engine Includes camshafts, installation kit of gear cover gasket, bearings, retaining ring, O-ring, thread lock, and instructions Allows a stock starter and battery to start nearly any engine Don't get caught "dead" without them! Centerline Intake:92.5° Duration Exhaust @ .020:262° Grind: 583C Lift @ Top Dead Center Intake: .131" Duration Intake @ .020:204° Lift @ Top Dead Center Exhaust: .199" Lift: .583" Valve Timing Exhaust: 60°/22° Centerline Exhaust: 109° Valve Timing Intake: 8°/15°