9.39 for more details check www.custom-chrome-europe.com APPAREL HAND CONTROLS LIGHTING ELECTRICAL EXHAUST INTAKE ENGINE GASKETS TRANNY & CLUTCH DRIVELINE WHEELS, TIRES & BRAKES FRAMES FORKS & SHOCKS SHEETMETAL INSTRUMENTS & GAUGES LUBRICANTS & CHEMICALS TOOLS & EQUIPMENT SEATS & TOURING FOOT CONTROLS DURATION VALVE GRIND OPEN CLOSE @ .053 LIFT ‘J’ Grind Intake 21° 41° 242° .405 .425 Exhaust 41° 21° 242° .405 .425 ‘F’ Grind Intake 16° 48° 244° .450 .470 Exhaust 48° 16° 244° .450 .470 ‘A’ Grind Intake 21° 43° 244° .450 .470 Exhaust 43° 21° 244° .450 .470 ‘B’ Grind Intake 26° 50° 256° .485 .507 Exhaust 50° 26° 256° .485 .507 ‘AB’ Grind Intake 21° 43° 244° .450 .470 Exhaust 50° 26° 256° .450 .470 ‘BH’ Grind Intake 24° 52° 256° .450 .470 Exhaust 52° 24° 256° .450 .470 ‘#6’ Grind Intake 32° 56° 268° .510 .535 Exhaust 56° 32° 268° .510 .535 ‘C’ Grind Intake 37° 61° 278° .525 .550 Exhaust 61° 37° 278° .525 .550 ‘#1’ Grind Intake 16° 36° 232° .427 .450 Exhaust 36° 16° 232° .427 .450 Note: In Big Twin motors 48-69, the clearance between the front exhaust lobe and the ignition drive gear must be checked and modified if required. Big Twin motors 48-57 will also require that the clearance between the front intake lobe and the engine case be checked and modified as necessary. Andrews Cams for Panhead and Shovelhead Motors All Andrews/Custom Chrome cams are computer designed and precision ground from alloy steel billets. ‘J’ Grind Mild street; Panheads and Shovelheads, smooth idle, more power through RPM range. Bolts in with no head work. 24276 48-69 24277 70-E77 24278 Late 77-84 ‘F’ Grind Basically an ‘A’ grind cam with delayed timing for no ping! Lots more power than stock cam. Bolts into Shovelheads (except 80-81 models) with no head work. 24282 48-69 24283 70-E77 24284 Late 77-84 ‘A2’ Grind Street/Drags; bolts into Shovelhead engines (except 80-81 models) with no head work. More mid-range and top-end power. Idle smoothness is unaffected. 24250 48-69 24251 70-77 ‘B2’ Grind Street/Drags: much more mid-range and top-end power. Idle smoothness unaffected. The cam for modified 74" and 80" motors and small strokers. Spring spacing required, or use with CC #24295 medium lift spring collars, and CC #24296 low-profile spring collars to simplify installation. 24255 B2 Grind 74" L77-84 ‘AB’ Grind An ‘A’ intake and a long-duration exhaust for cooler running and more top-end power. Bolts into Shovelheads (except 80-81 models) with no head work. Works with hydraulic lifters. 24157 48-69 24158 70-E77 24159 Late 77-84 ‘BH’ Grind Hydraulic version of ‘B’ cam. Usually a bolt-in, but spring spacing may be required on 80-81 Shovelhead models. CC #24295 and CC #24296 spring collar kits are recommended to simplify installation. 24285 48-69 24287 Late 77-84 ‘#1’ Grind This version of an ‘A2’ grind cam was designed for 74" engines with low compression pistons. 24288 48-69 24289 70-E77 24290 Late 77-84
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