Heavy Duty Clutch Drum And Sprocket Rim Bearing Kit For Stihl MS290 MS390 MS310 Chainsaw Featuring Three Eighth Pitch Seven Tooth Design With Needle Bearing And E Clip For No Sweat Swaps That Keep Power Tools Running Smooth As Butter Year Round

Complete Stihl Chainsaw Clutch Drum Sprocket Repair Kit
✔️ 3/8 pitch 7 tooth sprocket with 22mm bore needle bearing assembly

This heavy duty repair set swaps out worn out drive components on popular gas powered outdoor equipment. Farmers and landscapers install them to restore power transfer and eliminate gear slippage during demanding cutting jobs.

✅ Complete clutch drum assembly matches factory mounting dimensions
✅ 7 tooth profile drives 3/8 inch (9.5mm) low profile chains smoothly
✅ Needle roller design handles 22mm (0.87in) shaft torque without overheating
✅ Includes all hardware plus e clip for secure installation every time
✅ Direct bolt on replacement fits Stihl MS290 MS310 and MS390 units

💡 Why do chainsaw clutch drums fail faster under rough conditions?
Swapping worn rollers is a handy fix for sluggish cuts and excess friction.
-Replace failed bearings to stop chain drag and protect the guide bar
-Keep pitch and tooth count aligned to prevent belt slap and shaking
-Lubricate the needle cage early so heavy loads never overheat parts