Bolt Motorcycle Hardware's Four-Stroke Engine Fastener kits include bottom-end hardware for the following:
- Crankcase Covers
 - Clutch Cover
 - Oil Filter Cover
 - Crankcase
 - Case Saver
 - Water Pump
 
Does not include engine-to-frame mount bolts.
This kit fits the following models:
- KTM 250 SX-F 2016-2020
 - KTM 250 EXC-F 2017-2020
 - KTM 250 XCF-W 2017-2020
 - KTM 250 XC-F 2016-2020
 - KTM 350 SX-F 2016-2020
 - KTM 350 EXC-F 2017-2020
 - KTM 350 XCF-W 2017-2020
 - KTM 350 XC-F 2016-2020
 - Husqvarna FC 250 2016-2020
 - Husqvarna FE 250 2017-2020
 - Husqvarna FC 350 2016-2020
 - Husqvarna FE 350 2017-2020
 - Husqvarna FX 350 2017-2020