ENGINE SECTION RED PART NUMBERS INDICATE NEW PARTS 6-77 1 2 3 4 5 6 7 8 9 10 11 CONTENTS ELECTRICAL FRAME FRONT END CONTROL WHEEL ENGINE DRIVE TRAIN FUEL EXHAUST GENERAL REFERENCE Valve Timing Valve Duration Valve Lift Lobe Center Line Valve Lift @ TDC Intake Exhaust Cam Name Cylinder Open BTDC/ Open BTDC/ Intake Exhaust Intake Exhaust Intake Exhaust Intake Exhaust TDC Lift Close ABDC Close ABDC 465 Front 2.6/14.6 30.1/8.8 197.2 218.9 .462 .462 96.0 100.6 .087 .109 Performance Rear 2.8/14.4 33.1/5.8 197.2 218.9 .462 .462 95.8 103.6 .088 .098 475 HP Front 6.2/27.2 55.5/28.5 213.5 263.9 .475 .475 100.5 103.5 .107 .208 Rear 2.2/31.2 52.5/20.2 213.5 252.5 .475 .475 104.5 106.0 .093 .170 550 Front 9.4/29.4 62.5/30.5 218.9 273.1 .550 .550 100.0 106.0 .127 .232 Big Bore Rear 3.1/31.1 59.4/38.4 214.2 277.8 .550 .550 104.0 100.5 .099 .264 • Kits include all required bearings, O-rings and hardware. • Gear drive cams provide improved valve timing accuracy. • 465 low end torque to mid range. • 475 power comes on mid range to high RPM. • 550 all out performance cam high RPM. • Made in the U.S.A. Features & Benefits S&S® GEAR AND CHAIN DRIVE CAM KITS FOR MILWAUKEE-EIGHT® CAM COVER GASKET FOR MILWAUKEE-EIGHT® Chain Drive Kit Gear Drive Kit S&S® Cam Specifications Chain Drive Kits Part # 465C 66993 475C 66994 550C 66995 Gear Drive Kits Part # 465G 66996 475G 66997 550G 66998 Gear & Chain Drive Cam Kits • Replaces HD 25700370. • Sold each. • Use on 1999/2006 FL, FXST & 1999/2005 Dyna. • Replaces HD 8983 & 8990A. • See related tools in Section 10 . Fits Milwaukee-Eight® 2017/Later Part 64448 Part 60876 Part 66940 MAGNETIC LIFTER HOLDER OUTER BEARING CAM KIT FOR TWIN CAM • Aids in cam removal and installation. • This tool is designed to hold the lifters up and out of the way for cam removal and installation. Once the lifters are held clear of the cam, the cam can safely be removed. Fits Milwaukee-Eight® Models 2017/Later Not legal for sale or use in California
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