www.zodiac.nl 07-067 THUNDERMAX CAM SPECIFICATIONS Valve Timing Cam Name Open/Close Valve Duration Valve Lift Lift@TDC Intake Exhaust Intake Exhaust Intake Exhaust Intake Exhaust 557 20°/42° 44°/18° 242° 242° .557" .557" .180" .164" 575 25°/41° 49°/17° 246° 246° .575" .575" .200" .157" 577 49°/17° 49°/23° 252° 252° .577" .577" .214" .194" 627 28°/52° 58°/27° 260° 265° .625" .600" .241" .204" 647 26°/58° 58°/26° 264° 264° .647" .647" .211" .211" 657 27°/45° 52°/27° 252° 259° .657" .650" .227" .214" Early Late 721941 750872 Outer Cam drive gears 721948 750871 Cam gear drive kit (includes pinion gear, front and rear inner cam gears and outer cam gear) 721950 750873 Cam installation support kit Oversized & Undersized Gears Due to machining variations in the stock cam plate, oversized or undersized gears may be needed to achieve correct gear lash Rear inner cam gears Early Late - 750973 Undersized Pinion gears 1999-2006 Touring, 1999-2005 Dyna, 2000-2017 Softailup 750976 Undersized 750977 Oversized Replacement parts Early Late 760553 - Outer cam gear key 647TC This cam was designed for true performance enthusiasts who require a wide, usable power curve and strong top end charge, with excellent valve control. Recommended engine size 116" and up and 10.0-10.5: 1 compression. For additional power add 1.75 rockers and more compression. 723292 Fits 1999 thru 2006 Twin Cam with Silent Chain cam drive (except 2006 Dyna) 723291 Fits 1999 thru 2006 Twin Cam with S&S Gear Drive (except 2006 Dyna) 723293 Fits 2006 Dyna and all 2007-2017 Twin Cam with roller chain cam drive 723294 Fits 2006 Dyna and all 2007-2017 Twin Cam with S&S Gear Drive 657TC Popular big lift cam. Designed for powerful torque applications; has produced over 120 rear wheel horsepower in a 107" engine with mild compression, mufflers and pump gas. Everything you expect from Red Shift: great performance with excellent valve train dynamics. 723296 Fits 1999 thru 2006 Twin Cam with Silent Chain cam drive (except 2006 Dyna) 723295 Fits 1999 thru 2006 Twin Cam with S&S Gear Drive (except 2006 Dyna) 723297 Fits 2006 Dyna and all 2007-2017 Twin Cam with roller chain cam drive 723298 Fits 2006 Dyna and all 2007-2017 Twin Cam with S&S Gear Drive CAMS FOR TWIN CAM (Ȧ*ȡ1ȝ (Site 477)
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