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www.zodiac.nl 07-073 25 CROSS REF ZPN > PAGE 24 TECHTIPS & CROSS REF > ZPN 26 ALPHABETICAL INDEX 01 HELMETS, LUGGAGE, AUDIO & MORE 05 ENGINE ELECTRICS 09 TRANSMISSION 13 FOOT CONTROL 17 FENDER & STRUTS 21 MIRROR 03 EXHAUST 07 ENGINE 11 WHEELS & TIRE 15 FRONT SUSPENSION 19 OIL TANK, FILTER & LINE 23 OIL, CHEMICALS & TOOLS 02 SEAT 06 INTAKE 10 FINAL DRIVE 14 HANDLEBAR 18 GAS TANK & INSTRUMENT 22 WINDSHIELD 04 ELECTRIC & LIGHT 08 PRIMARY 12 BRAKE 16 CHASSIS/ FRAME & SHOCKS 20 FASTENERS RED SHIFT TWIN CAM BOLTIN CHAIN DRIVE CAMSHAFTS Bolt-in cams for 96CI, 103CI and 110CI Twin Cam engines with stock, unmodified heads. Perfect for 2007-2016 Touring models, windscreen equipped or usually 2-up ridden 2007-2017 Softails and 2006-2017 Dyna's. These cams were developed to deliver immediate passing power in 6th gear at any typical cruising speed. They deliver an impressive gain in HP, with a huge increase of torque at lower engine speed, right where you accelerate around town and cruising on the highway. Red Shift 525 and 527 cams provide immediate throttle response and acceleration at or below 2, 000 RPM without detonation. This means your Harley moves cleanly from 50 MPH (80 km/h) and up, in 6th gear, without downshifting. Red Shift 525 cams are for 96CI models with or without Big Bore kits thru 103CI installed, Red Shift 527 cams are for 103CI models with or without Big Bore kits thru 110CI installed. Both the 525 and 527 cams can be used with stock or adjustable pushrods. 723244 Red Shift Twin Cam 525 bolt-in camshafts 723299 Red Shift Twin Cam 527 bolt-in camshafts 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-up 750976 Undersized 750977 Oversized Replacement parts Early Late 760553 - Outer cam gear key 647TC This camwas 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 E�G�N�