Timer Cover:Fits 1999-2017 Twin Cam-equipped models. √ Easy installation, No Installation Instruction, No Blot Included. √ Quantity: 1pc Derby Cover & Points Covers Converting your Power Train to an elegant CNC Look Material: Billet CNC Aluminum Size: Derby Cover: 7 9 / 32 (18.5cm); Points Cover: 3 (7.5cm) Outer Primary Cover For Harley Davidson Black CNC Skull Derby Timing Cover For Harley Dyna FXDL FXDB FLD Fatboy FLSTF US Harley Davidson Derby Cover Package included: 1 x 5-Hole Derby Cover; 1 x 5-Hole Points Cover √ Fitment: Harley Dyna Touring Road King Electra Glide FLHR FLHX FXST Dyna Softail Street Glide FLHTK FLHRS Fatboy FXSTB Softail:2000-2018 Softail, Fat Boy (except FLSB) Find the perfect GUAIMI CNC Derby Timer Timing Engine Cover compatible with Harley Dyna and other models. Visit South Africa for the best deals Derby Cover:Fits 1999-2017 Dyna, 2000-2018 Softail (except FLSB), 1999-2015 Touring and Trike models (except 2015 FLHTCUL & FLHTKL & 2007-later Touring and Trike models equipped with Narrow-Profile Outer Primary Cover P/N 25700385 or 25700438). Motorcycle Derby Cover Fits Harley Dyna FLD Street Glide FLHTK FLHRS Fatboy FXSTB Harley Derby Cover is converting your power train to an elegant CNC look, manufactured from original equipment components standard to ensure a perfect fit, direct replacement, Easy to Install. √ Diameter (As the picture shown): Derby Cover: 7 9/32 (18.5cm) Points Cover: 3 (7.5cm) This derby cover working correctly and sure enough it worked great.