Page 7 of High Performance Cams & Gears Catalog by Andrews High Performance Cams & Gears

Want more power from your new 88 engine? Andrews Products has eight proven Twin 88 grinds for 2004 to get you there. More HP and torque for stock or modified engines is within easy reach. All cam grinds listed are designed for use with stock H/D hydraulic lifters. Matching pushrods and heat treated steel sprockets are listed on the preceding page. For any bolt in cam grind, EZ-install pushrods do not require removal of gas tanks or rocker boxes for installation. TWIN 88: CHAIN DRIVE CAMS AND KITS TOURING AND PERFORMANCE CAMS Stock (A) -02/38 216 257 .473 .072 Stock Carbureted engine: stock cam data listed for reference. Carburetors 36/04 220 260 .473 .110 (Stock engine output is approximately 62 HP). Stock (B) 02/34 216 257 .473 .087 Stock Fuel injected engine: stock cam data listed for reference. Injectors 36/04 220 260 .473 .110 (Stock engine output is approximately 62 HP). 288121 TW21 10/30 220 255 .498 .134 Stock Bolt in cam first introduced in 2000, more torque for 40/08 228 264 .498 .121 all around riding with stock comp. ratio and heavy TW21 cams run great with fuel injectors or carburetors! bikes. Similar to #23 cam for EV80. (1700-5200 RPM). 288126 TW26a 11/35 226 262 .490 .129 Stock Bolt-in cam for lower RPM torque, FLT, etc. For two 41/09 230 266 .490 .112 up touring, this cam will add torque and HP at lower TW26 cams run great with fuel injectors or carburetors! and middle RPM. (1800-5500 RPM). 288137 TW37b 18/38 236 272 .510 .174 Stock Twin 88s with this bolt-in cam grind have shown 80+ 46/14 240 276 .510 .148 rear wheel HP. Smooth idle, broad torque band. TW37 cams run great with fuel injectors or carburetors! (2200-5800 RPM). 288131 TW31s 10/46 236 272 .510 .131 Stock Great street cam for large motors and/or superchargers. 52/08 240 276 .510 .120 Same lobes as 37G with different timing. (1800-5600 RPM) with 95+ inches. 288144 TW44 21/41 242 279 .495 .182 Stock First available in 2000 for 88 or 95 inches and 9.25 CR 49/17 246 283 .495 .158 or higher. Maximum torque and HP at middle and upper RPM ranges. (2400-6000+ RPM). 288150 TW50 20/48 248 283 .510 .184 Stock Easy installation in 95 inch motors with 9.25 C.R. and 54/18 252 287 .510 .168 stock heads. (2500 to 6000 RPM). 288155 TW55 22/46 248 283 .550 .197 Hi-lift High lift variation of the TW-50; this cam is best for 52/20 252 292 .550 .181 95+ inch engines with 9.5+ C.R. Max torque and HP at middle and higher RPM. (2600-6300+ RPM). 288160 TW60a 24/56 260 296 .560 .205 Hi-lift For a well prepped street engine with 95 cubic inches 58/22 260 296 .560 .205 and head work, 100+ HP is within reach. (2700-6500+ RPM max torque range). (*) Timing and duration listed for .053 cam lift. Duration Valve Lift @ Part# Grind Timing(*) .053 .020 Lift TDC Springs Application 7 www.andrewsproducts.com 431 Kingston Court Mount Prospect, IL 60056 Phone: 847-759-0190 Fax: 847-759-0848

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