dragspecialties.com All part numbers in BLUE are new for 2025. SECTION 7 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 824 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 S&S HP103 Intake 20° 49° 249° 0.575” Exhaust 45° 26° 251° 0.575” S&S MR103 Intake 13° 33° 226° 0.585” Exhaust 50° 22° 252° 0.585” S&S 551 Intake 17° 19° 215° 0.550” Exhaust 41° 17° 237° 0.550” S&S 557 Intake 6° 27° 212° 0.557” Exhaust 39° 12° 2310 0.557” EASY START CAM KITS FOR TWIN CAM •Start any engine regardless of displacement or compression ratio with a stock starter •Save your starter and battery; tested for 10,000 starts without running battery down •Allow for easy start by initially reducing crank compression, but once the engine starts and rpm increases, the compression release lobe is centrifugally retracted and the engine runs normally, with full compression, and without any loss in performance •Available in chain drive and gear drive versions •All chain-drive cams include installation kit •All gear-drive cams include 4-gear set and installation kit •Gear-drive cams also available with inner gears only; intended for cam replacement for motors that have already been converted to an S&S gear-drive system •Made in the U.S.A. NOTE: Installer must check coil bind, valve-to-valve clearance and valve-to-piston clearance. NOTE: Due to the inherent characteristics of gear drives, you may experience more valve train noise. NOTE: Not for models with OEM compression releases. HP103 EZ CAMS •Bolt-in cam for 103” and 106” Big Bore Twin Cam motors •Use with stock heads (up to 10.2 compression) and low restriction intake and exhaust •Great for lighter bikes with strong power from 3500 to 6000 rpm 551 EZ CAMS •Optimized for 88”/96”/103” to 106” Touring bikes with slip-on mufflers and 9.0 to 10.0:1 compression •Best bolt-in cam available for most 05-16 Dressers •Can be used with stock pushrods, springs and lifters (unless noted) •Pulls hard from idle to 4000 rpm MR103 EZ CAMS •Bolt-in cam for 103” Twin Cam motors •Use with stock heads and low restriction intake and exhaust •Broad torque curve improves output over stock over the entire rpm range 557 EZ CAMS •Designed for Tri-Glides and other heavy bikes needing good bottom and mid-range performance •Bolt-in design PART # DESCRIPTION EMIS* FOR 07-17 TWIN CAM, 06 DYNA 0925-0830 Chain-drive cam kit 3 FOR 99-06 TWIN CAM (EXCEPT 06 DYNA) 0925-1041 Chain-drive cam kit 3 0925-1047 Gear-drive cam kit 3 PART # DESCRIPTION EMIS* FOR 07-17 TWIN CAM, 06 DYNA 0925-0829 Chain-drive cam kit 3 0925-0832 Gear-drive cam kit 3 FOR 99-06 TWIN CAM (EXCEPT 06 DYNA) 0925-1040 Chain-drive cam kit 3 PART # DESCRIPTION EMIS* FOR 07-17 TWIN CAM, 06 DYNA 0925-0443 Chain-drive cam kit 3 0925-0448 Gear-drive cam kit 3 FOR 99-06 BIG TWIN (EXCEPT 06 DYNA) 0925-05211 Chain-drive cam kit 3 0925-04531 Gear-drive cam kit 3 1 99-04 models will require high-lift valve springs. PART # DESCRIPTION EMIS* FOR 07-17 TWIN CAM, 06 DYNA 0925-0613 Chain-drive cam kit 3 0925-0443 0925-0453
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