dragspecialties.com SECTION 7 All part numbers in BLUE are new for 2025. WINDSHIELDS & FAIRINGS AUDIO, COMMUNICATION & MOUNTS SADDLEBAGS & LUGGAGE SEATS & SISSY BARS FUEL/AIR SYSTEMS EXHAUST TRANSMISSION & DRIVELINE ENGINE GASKETS & SEALS LIGHTING ELECTRICAL HANDLEBARS, CONTROLS & MIRRORS CABLES TANKS & OIL FILTERS BRAKES DASHES & GAUGES FENDERS & LICENSE PLATE FRAMES HARDWARE, COVERS & GENERAL FRAMES & SUSPENSION FOOTRESTS & FLOORBOARDS WHEELS & AXLES 827 See OLDBOOK For Early Model Applications DISCLAIMER: *EMIS (EMISSIONS CATEGORIZATION CODE). SEE PAGES 5-7 FOR CATEGORY CODES, IMPORTANT EPA/CARB EMISSION DEFINITIONS AND REGULATORY COMPLIANCE AND NOTICE REGARDING NOISE REGULATIONS. PRODUCTS NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLES IF NOT CATEGORIZED AS “1” OR “4”. GRIND OPEN CLOSE DURATION @ 0.053” VALVE LIFT 551 SERIES Intake 17° 19° 215° 0.550” Exhaust 41° 17° 237° 0.550” 557 SERIES Intake 6° 27° 212° 0.557” Exhaust 39° 12° 231° 0.557” 570 SERIES Intake 20° 40° 240° 0.570” Exhaust 55° 20° 255° 0.570” 583 SERIES Intake 5° 18° 204° 0.583” Exhaust 58° 24° 262° 0.583” GRIND OPEN CLOSE DURATION @ 0.053” VALVE LIFT 585 SERIES Intake 20° 45° 245° 0.585” Exhaust 60° 20° 260° 0.585” 625 SERIES Intake 20° 55° 255° 0.625” Exhaust 60° 20° 260° 0.625” 635 SERIES Intake 19.5° 43.5° 243° 0.635” Exhaust 58.5° 37.5° 276° 0.635” 640 SERIES Intake 25° 60° 265° 0.640” Exhaust 65° 25° 265° 0.640” 551 SERIES GRIND CAMS •Designed as bolt-in cam for touring bikes with compression ratio between 9:1 and 9:9 •More power across the rpm range, with improved low and midrange torque •Strongest from 1000 to 4000 rpm •Can be used with stock pushrods, springs and lifters (except 99-04) •99-04 models require high-lift springs 570 SERIES GRIND CAMS •570G/570C chain drive cams are for 88/96/103 cubic-inch engines with compression ratios between 9:1 and 10:1 •Strongest from 3200 to 3700 rpm •99-04 models require high-lift springs 585 SERIES GRIND CAMS •585G gear drive cams are for 88/96/1 03/110 cubic-inch engines with compression ratios from 10:1 to 10.5:1 •585C chain drive cams are designed for 88” to 107” engines with compression ratios from 10 to 10.5:1 and 100” and 107” engines with ratios 9.7:1 to 10.5:1 •Strongest from 3500 to 6000 rpm •99-04 models require high-lift springs and adjustable pushrods 635 H.O. SERIES GRIND CAMS •High-power cam for modified engines, increase compression, high-lift springs, adjustable pushrods and large bore throttle body required •For best results requires ported heads, low restriction intake/exhaust •Rpm range 4000 to 6500 557 SERIES GRIND CAMS •Designed for Tri-Glides and other heavy bikes needing good bottom and mid-range performance •Bolt-in design 583 SERIES GRIND CAMS •Great overall cam for Softail and Dyna •Provides strong low-end torque and horsepower •Strongest from 1500 to 5000 rpm •99-04 models require high-lift springs 625 SERIES GRIND CAMS •625G gear drive cams are for 95/96/103/110 cubic-inch engines with compression ratios from 10:1 to 10.75:1 •625C chain drive cams are for 95” or larger engines with compression ratios between 10.0 and 10.75:1 •Strongest from 3000 to 6000 rpm •High-lift springs and adjustable pushrods required 640 SERIES GRIND CAMS •For 103/110 cubic-inch engines •Compression ratios from 10.5:1 to 11.5:1 •Strongest from 3000 to 6000 rpm •High-lift springs and adjustable pushrods required GEAR DRIVE/CHAIN DRIVE CAM KITS FOR TWIN CAM (CONT) PART # DESCRIPTION EMIS* FOR 07-17 TWIN CAM, 06 DYNA 0925-0743 551C chain drive cam kit 3 0925-0959 551G gear drive cam kit 3 PART # DESCRIPTION EMIS* FOR 99-06 TWIN CAM (EXCEPT 06 DYNA) 0925-0526 551C chain drive cam kit 3 0925-0742 551G gear drive cam kit 3 PART # DESCRIPTION EMIS* FOR 07-17 TWIN CAM, 06 DYNA 0925-0157 570G gear drive cam kit 3 0925-0348 570C chain drive cam kit 3 FOR 99-06 TWIN CAM (EXCEPT 06 DYNA) 0925-0527 570C chain drive cam kit 3 2007-2570 570G gear drive cam kit 3 PART # DESCRIPTION EMIS* FOR 07-17 TWIN CAM AND 06 DYNA 0925-0158 585G gear drive cam kit 3 0925-0349 585C chain drive cam kit 3 FOR 99-06 TWIN CAM (EXCEPT 06 DYNA) 2007-2585 585G gear drive cam kit 3 0925-0529 585C chain drive cam kit 3 PART # DESCRIPTION EMIS* FOR 07-17 TWIN CAM, 06 DYNA 0925-0838 635 H.O. gear drive cam kit 3 0925-0836 635 H.O. chain drive cam kit 3 PART # DESCRIPTION EMIS* FOR 07-17 TWIN CAM, 06 DYNA 0925-0745 583C chain drive cam kit 3 FOR 99-06 TWIN CAM (EXCEPT 06 DYNA) 0925-0744 583G gear drive cam kit 3 0925-0528 583C chain drive cam kit 3 PART # DESCRIPTION EMIS* FOR 07-17 TWIN CAM, 06 DYNA 0925-0350 625C chain drive cam kit 3 PART # DESCRIPTION EMIS* FOR 07-17 TWIN CAM, 06 DYNA 0925-0160 640G gear drive cam kit 3 PART # DESCRIPTION EMIS* 0925-1158 For 07-17 Twin Cam and 06 Dyna (chain drive) 3
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