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. 551 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* 0903-1293 For 07-17 Twin Cam (except Twin Cooled) 3 106” HOT SETUP KIT •Increased fin area for better heat dissipation •Increase bore size from 3.750” to 3.927” •4 3/8” stroke, 10:1 comp. w/ stock heads •Easy installation; no machining or rebalancing required •Forged coated pistons are compatible with stock or S&S Super Stock 79cc and 89cc heads •Valve pocket recessed in S&S pistons are enlarged for oversize valves and higher lift cams •Maintains stock engine height and stock piston weight •11 fins and full fin pattern on cam side of cylinders closely resembles OEM shape •Kit includes; S&S cylinders with gaskets, piston set with rings, top-end gasket kit, pushrods, tappets, 585CE chain-drive Easy Start cams and instructions •A fuel system is not included •Made in the U.S.A.
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