2026-2027 Drag Specialties OldBook

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 dragspecialties.com SECTION 8 All part numbers in BLUE are new for the OldBook. 511 See FATBOOK For Late Model Applications HIGH-PERFORMANCE CLUTCH KITS •Specifically designed to provide extended clutch life, fade- and slip-free operation and superior shifting •Friction plates have our exclusive high-heat friction materials for fade-free performance •More durable than OEM plates •Steel clutch plates won’t expand; do not fade or promote clutch swell •Long-lasting; up to 300% more life than stock plates •Will not muddy or contaminate oil HEAVY-DUTY CLUTCH KITS •Designed to outperform any OEM or aftermarket clutch •HD clutch kit comes in a foam-lined hard plastic case that protects clutch components from being damaged prior to installation •Case can be used to store and transport parts, tools or other items after clutch is installed •HD kit includes friction plates and steel drive plates; does not include springs •Friction plates come ready to race – no need to presoak plates in oil •Exclusive high-heat friction materials for fade-free performance •More durable than OEM plates •Steel drive plates won’t expand and do not fade or promote clutch swell like stock aluminum plates •Long lasting – up to 300% more life than stock plates •Increased weight over stock plates adds flywheel effect for aiding starting and traction •Will not muddy or contaminate oil HEAVY-DUTY EXTRA PLATE CLUTCH KIT •Approximately 10% more surface area than clutch kit •Kit contains nine friction plates and eight steel plates FITS MODEL OEM # FRICTION KIT PART # QTY. INCLUDED OEM # STEEL KIT PART # FOR BIG TWIN For 98-99 Evolution Big Twin 37932-98 1131-0279 9 37913-98 1131-0284 For 90-97 Big Twin 37911-90 1131-0280 8 37913-90 1131-0284 37910-90 1131-0280 8 37975-90 1131-02851 For L84-89 Big Twin 37931-84 1131-0281 6 37975-84A 1131-0286 37930-84A 1131-0281 6 37975-84A 1131-0286 For 68-E84 Big Twin 37930-68 1131-0282 5 37975-41 (w/o buffer) 1131-0287 FOR XL For L84-85 XL 36788-84 1131-0289 7 36787-84 1131-0292 For 71-E84 XL 37985-71 1131-0290 8 37992-71 1131-0293 For 57-70 XL 37985-52A 1131-0291 7 37992-52 1131-0294 37985-57 1131-0291 7 37992-52 1131-0294 1 Not for L84-89 applications, use PART #1131-0286. PART # DESCRIPTION BIG TWIN 1131-3373 For 98-99 Evo Big Twin 1131-3375 For 84-89 Big Twin PART # DESCRIPTION XL 1131-3377 For 71-E84 XL PART # DESCRIPTION 1131-3490 90-97 Big Twin Friction kit Steel kit 1131-3373

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