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 SECTION 7 All part numbers in BLUE are new for 2025. 581 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”. CAM CHEST KITS WITHOUT CAMS FOR TWIN CAM •The proven performance of a S&S cam chest kit without the cams; allowing you freedom of choice in cam profiles •Oil pump and cam plate are precision-machined from billet aluminum •Independent scavenge sections for the flywheel cavity and cam chest •Debris screens in both scavenge pickups •Passage plugs are removable for servicing •Magnet in cam chest side to help stop debris from entering the oil pump •Approximately 44% flow increase on the supply side and 58% increase on the scavenge PART # DESCRIPTION EMIS* GEAR DRIVE KITS FOR 07-17 TWIN CAM AND 06 DYNA 0925-1579 W/ chrome pushrod tubes 3 0925-1578 W/ black pushrod tubes 3 CHAIN DRIVE KITS FOR 07-17 TWIN CAM AND 06 DYNA 0925-1583 W/ chrome pushrod tubes 3 0925-1582 W/ black pushrod tubes 3 PART # DESCRIPTION EMIS* GEAR DRIVE KITS FOR FOR 99-06 TWIN CAM (EXCEPT 06 DYNA) 0925-1577 W/ chrome pushrod tubes 3 0925-1576 W/ black pushrod tubes 3 CHAN DRIVE KITS FOR FOR 99-06 TWIN CAM (EXCEPT 06 DYNA) 0925-1580 W/ black pushrod tubes 3 •Pressure relief valve is adjustable with the unit installed •Chain drive kits include S&S High Performance cam chain tensioner •Quickee Pushrods •S&S Precision tappets •Hand-assembled to exacting tolerances •Reduced valvetrain noise from startup to shutdown •Close tolerances for low leak-down rates •Fast pump-up and superior high rpm performance 0925-1578 0925-1577
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