BLUE part numbers are new for 2025 PARTS-UNLIMITED.COM 2025 | FATBOOK UPDATE TRANSMISSION & DRIVELINE TRANSMISSION & DRIVELINE SECTION 8 FATBOOK 102 PART # DESCRIPTION FOR 17-23 TOURING, 18-24 SOTFAIL 1103-0067 w/ polished end cover 1103-0066 w/ black end cover PART # DESCRIPTION FOR 07-16 TOURING, 07-17 SOFTAIL, 06-17 DYNA 1103-00651 w/ polished end cover 1103-00641 w/ black end cover 1 2006-2009 6th gear indicator light may not function without update flash by technician. FAT 6 SUPER GEAR KITS •Strongest and toughest 6-speed gear box made •Aerospace grade 9310 steel •Gears feature straight cut teeth with up to 53% increased width compared to stock • Quick shift ring technology to minimize the “clunk” when shifting •Lightened 1-piece steel shift drum • Gear ratios similar to stock, with 1:1 final drive ratio 1103-0065 PART # DESCRIPTION 1120-0463 For 11-25 Touring, 09-25 H-D Trike, 12-25 Softail, 12-17 FXD/F XDWG/FLD and 07-12 Twin Cam w/ updated Screamin’ Eagle compensator COMPENSATOR SPRING •Performance compensator replacement spring • Thicker, stronger and an increased bevel over stock •Features a steeper bevel that provides more preload and pressure on the spring pack and compensator •This helps diminish excessive compensator travel in turn reducing harmonics, eases start up and gives a more responsive feel at lower engine rpm’s • Replaces the first, outer most spring in compensator spring pack OEM #83936-09A •Made in U.S.A. NOTE: Feuling® spring is not a fix for excessively worn and/or damaged compensators. PART # DESCRIPTION FOR 16-25 FLHT/FLHR/FLHX/FLTRX/FLTRU/FLTRK/H-D FL TRIKE, 15 FLHTCUL/FLHTKL 1107-0749 Matte black 1107-0750 Reverse cut FOR 99-18 BIG TWIN (EXCEPT 18 FLSB, 16-18 DRESSER, 14-15 FLHTCUL/FLHTKL) 1107-0751 Matte black 1107-0752 Reverse cut PART # DESCRIPTION FOR 19-25 SOFTAIL, 18 FLSB AND 18 SOFTAIL W/ NARROW PROFILE PRIMARY COVERS (EXCEPT 22-24 FXLRST) 1107-0754 Matte black 1107-0755 Reverse cut ASSAULT DERBY COVERS •Billet machined 6061-T6 aluminum construction •Acrylic see-through window • Matches the Trask Assault series air cleaners and cam covers (sold separately) •Made in the U.S.A. •See page 900 of the 2025 Drag Specialties FatBook for the complete line of Trask Assault Derby Covers 1107-0749 1107-0752 1107-0755 1103-0067 •Assembled into 6061 billet aluminum big bearing trap door for reduced flex in high performance applications •Compatible with stock gear selector •No modifications to case or exhaust mount required • All parts are made in the U.S.A. and assembled in JIMS technologically advanced facility
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