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 2026. 547 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”. PART # DESCRIPTION EMIS* FOR 17-25 M-EIGHT OIL-COOLED ENGINES (EXCEPT CVO 121”) 0904-0130 Wrinkle black w/ highlighted fins, chain drive cam 3 0904-0131 Wrinkle black w/ non-highlighted fins, chain drive cam 3 128” POWER PACKAGES FOR M-EIGHT •Big-bore bolt-on kit increases your 114”/117” with 4.5” stroke M-Eight to 128” with no case machining required •4 1/4” bore cylinders with 11:1 forged pistons •Wrinkle black finish cylinders with or without fin highlighting •S&S oil pump/c am plate with a blue anodized finish •Passage plugs are removable for servicing •Independent scavenge sections for flywheel cavity and cam chest •Debris screen in both scavenge pickups •Magnet in cam chest to help prevent debris from entering the oil pump •Increased oil flow capacity on both the oil feed and scavenge side •Adjustable pressure relief valve can be adjusted with the unit installed in the engine •Quickee pushrods with chrome pushrod tubes •S&S premium tappets •S&S hard-anodized, black-coated tappet cuffs are billet aluminum construction •Improve tappet stability in high-lift, high-rpm situations •S&S 550 cams designed for big bore applications •S&S valve springs; work with cams up to 0.605” lift •High-performance conical single-wire spring design •All necessary gaskets, bearings and hardware for bolt-on installation included •Made in the U.S.A. 0904-0131
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