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 10 All part numbers in BLUE are new for the OldBook. 597 See FATBOOK For Late 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* 2101-0242 For 70-99 Big Twin, 71-85 XL (mode switch position 9 can be used to set kickstart, single-fire race advance curves w/o use of the USB interface) 1 PART # DESCRIPTION EMIS* 2101-0212 For 70-99 Big Twin, 71-85 XL 1 2101-0075 USB interface kit N/A INTERNAL IGNITION KITS •Kit includes ignition system, 8.5 mm spark plug wires, single-fire coil and instructions •Ignition system has two advance curve families with adjustable advance curves to accommodate stock to wild engine modifications •Four rotary switches for adjusting timing and single/​dual fire rpm limit •Digitally set rpm limit (in 100 rpm steps), selectable single- or dual-fire mode •Selectable multi-spark mode for quick starting and smooth cruising •Coil outputs protected against short circuits •Optional USB interface kit and software available for programming custom curves (programs available on website www.daytona-twintec.com) •Requires the use of an OEM timing rotor (OEM #32402-83 or PART #2101-0234) PART # DESCRIPTION EMIS* FOR 70-99 BIG TWIN 2101-0346 HI-4N ignition module, ignition coil and plug wires 3 PART # DESCRIPTION EMIS* FOR 70-99 BIG TWIN (CONT) 2101-0345 HI-4N ignition module only 3 HI-4N IGNITION MODULE KIT •More power than the stock ignition •Single-fire and dual-fire function built into a single module •All-metal housing provides improved heat dissipation •Ignition advance and timing degree markings are on the metal flange •Convenient cable notch in the housing makes installation easier and prevents damage to the cable •Sensor and magnet housings are built into the all-metal back plate to protect the sensors from damage during installation •Sensor housings contain advanced flux concentrators with high-temperature-resistant samarium/​cobalt magnets for accurate, reliable ignition triggering •Electronics are fully enclosed to resist vibration, moisture and dirt •All electronics are mounted directly to the metal housing, which acts as a heat sink •Four rotary switches for ignition mode selection, advance rate, and rev limit PART # DESCRIPTION EMIS* FOR 70-99 BIG TWIN, 71-85 XL 2101-0238 For electric start 3 PART # DESCRIPTION EMIS* FOR 70-99 BIG TWIN, 71-85 XL (CONT) 2101-0239 For kick start 3 SINGLE-FIRE IGNITION SYSTEMS •Easy way to convert stock ignition systems to single-fire system •Kits feature Compu-fire ignition module, high-output single-fire coil which mounts in the stock location and under the stock coil cover, and a set of silicone-jacketed spiral-core spark plug wires •Ignition modules feature eight pre-programmed advance curves •Tunable VOES adds 5 or 10 degrees vacuum advance •Easy installation with LED static timing light •Selectable rpm limiter from 6000 rpm to unlimited •Made in the U.S.A. NOTE: Not for fuel-injected models. 2101-0239 •Switches provide accurate, repeatable settings •PART #2101-0346 includes ignition module, S&S ignition coil and correct-length spark plug wires; PART #2101-0345 includes HI-4N ignition module only •Made in the U.S.A. NOTE: Not for fuel-injected models. 2101-0346 •Uses the tachometer wire for the USB interface and includes a connector •Made in the U.S.A. NOTE: Not for fuel-injected models. NOTE: Exempt per CARB Executive Order (E.O.) #D-641-1. 2101-0075 2101-0242

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