The Kuryakyn 9920 crankcase breather kit specifically for Harley-Davidson Twin Cam's. These breather kits install between the air cleaner and the carb support bracket. The stock breather bolts and vent hoses are reused. Includes (1) breather adapter, (1) 90-degree elbow, (2) nipple, (1) 5/32" rubber hose, 16", (1) barbed T-fitting, (3) 1/4-20 x 1-1/2” socket head cap screws with patch, (1) gasket, late style with adhesive, (2) gasket, late style, (4) 4' nylon cable ties. The Kuryakyn 9920 crankcase breather kit is compatible with Harley-Davidson models: '93-'07 Touring, (excludes '95-'01 EFI), '93-'15 Softails, (excludes '11-'12 FLSTSE, '13-'14 FXSBSE and '14-'15 FLSTNSE), '93-'17 Dyna's, (excludes '16-'17 FXDLS), '93-'94 & '99-'00 FXR and '91-'06 XL; require separate purchase of 1/2"-13 Breather Bolts: '93-'99 Evolution Big Twin and '91-'06 XL (not included).