Cam & Gear Set For Sportster

Weight (lbs): 4.48 A camshaft upgrade is the most logical step after air filter, exhaust, carburetor, and ignition system improvements have been made. It will improve mid and upper-end power. All camshafts listed are ground with stock size base circle and can be used with stock push rods. Instructions included. Cam Specifications - with stock 1.43:1 rocker arm ratio Cam Grind Valve Timing Duration @ .053" Duration @ .020" Valve Lift Overlap @ .053" Lobe Centerline Lobe Separation Angle TDC Lift at Valve Q stock (76-85) 10-32 35-07 222 222 262 262 .400 .380 17 101 104 102.5 .114 .114 Y 35-47 53-29 262 262 310 310 .425 .425 64 96 102 99 .206 .182 V9 32-52 52-32 264 264 311 311 .490 .490 64 100 100 100 .207 .207 Cam Specifications - with stock 1.625:1 rocker arm ratio Cam Grind Valve Timing* Duration @ .053" Duration @ .020" Valve Lift Overlap @ .053" Lobe Centerline Lobe Separation Angle TDC Lift at Valve D stock (88-91) 02-41 41-02 223 223 270 270 .458 .458 04 109.5 109.5 109.5 .094 .094 V2 N2 22-38 46-18 240 244 290 290 .465 .440 40 98 104 101 .180 .155 N4 52-24 256 296 .490 54 104 101 .189 N8 56-28 264 302 .500 60 104 100 .212 * timing listed for .053 lift figures. Street 900-1000: Great mid-range and upper end power. Biggest cam available for no head work installation. Can use stock springs, need 9:1 or higher compression, 1982 engines may require spring spacing. Special requirements: bolt-in. Power range: 2000-7000 RPM. Cam Grind: Y. Fits: Harley Ironhead Sportster 1957-1970 By: ANDREWS PRODUCTS INC