ENGINE SECTION RED PART NUMBERS INDICATE NEW PARTS 6-69 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 Want more power for your Twin Cam 88 engine? Andrews Products has eight proven cam grinds to get you there. More horsepower and torque for stock or modified engines is within easy reach. All cam grinds listed are designed for use with stock HD hydraulic lifters. Duration Valve Lift @ Application Grind Timing(*) .053 .020Lift TDC Springs Part # Carbureted engine: stock cam data listed for (A) -02/38 216 255.473 .072 Stock Stock 88 reference. (Stock engine output is approx. 62 HP) 42/-03 219 259.474 .110 Carbs Fuel injected engine: stock cam data listed for (B) 02/34 216 255.473 .087 Stock Stock 88 reference. (Stock engine output is approx. 62 HP). 42/-03 219 259.474 .110 Injectors Bolt-in cam: More torque for all around riding TW21 10/30 220 255.498 .134 Stock 66913 with heavy bikes, stock compression ratios and 40/08 228 264.498 .121 stock pistons. Similar to #23 cam for EV80. (1700-4800 RPM). Bolt-in cam 88-95 inches and stock compression ratio. TW26a 11/35 226 262.490 .138 Stock 66953 Great for two up touring, this cam will add torque and 41/09 230 266.490 .112 horsepower at lower and middle RPM ranges. (1800-5200 RPM). Great cam for motors with 95” and 9.8 to 10.2 CR. TW31s 10/46 236 272.510 .131 Stock 66914 Lower TDC lift for easy installation. Similar to TW37 52/08 240 276.510 .120 with different timing. (2400-5600 RPM). Hot street cams for 88 or 95 inches. 80+ rear wheel TW37b 18/38 236 272.510 .174 Stock 66954 horsepower possible with well tuned 88 46/14 240 276.510 .148 incher, more with 95. Smooth idle, broad torque (2200-5600 RPM) 9.0 to 9.5 CR. Specially designed for 95 inch + engines TW54 16/42 238 273.555 .165 Stock 66915 with CR up to 10:1 (2200-5600 RPM) 43/15 238 273.555 .158 Designed for easy installation in 95 inch motors with TW50 20/48 248 283.510 .184 Stock 66955 stock heads and 9.5 to 9.8 CR. (2400-6000 RPM). 54/18 252 287.510 .168 Great cams for 95 inch engines with 9.8 to 10.2 CR. TW55 22/46 248 283.550 .197 Hi-Lift 66952 max horsepower and torque at mid & upper RPMs 52/20 252 292.550 .181 (2600-6200). (*) Timing and duration listed for .053 cam lift. Cams & Cam Chains CAMS FOR TWIN CAM 1999/2006 (EXCEPT 2006 DYNA) CAM CHAINS • OE type replacement cam chain. 66062/66063 Link Type Roller Type 66060/66061 Primary/ Application Inner/Outer Rpls. HD Secondary Part # Milwaukee-Eight® 2017/Later ------ 25675-06 ------ 66060 Twin Cam 2007/2017 Outer 25675-06 Primary 66060 Twin Cam 2007/2017 Inner 25683-06 Secondary 66061 Twin Cam 1999/2006 Outer 25610-99 Primary 66062 Twin Cam 1999/2006 Inner 25607-99 Secondary 66063 Not legal for sale or use in California
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