Passive Disc Split + Clutch + Sprocket + Needle Assembly 3/8"-7 Clutch Drum Rim Sprocket Kit For Stihl MS660 066 064 MS640 MS661 Chainsaw Replacement Parts with Adefol is a retail store that sells parts replacement for block assemblies - cylinders, spark plugs, air filters, carburetors, chainsaws and other accessories. We have a full line of products and different types of parts to meet your needs+ product Applicable Models: For Stihl 064, 066, MS660 MS640 MS661 Chainsaw Part Number: 530071884 Rim Sprocket: No 3/8 in., 7 standard spline, 7 teeth 1. The product is brand new and there is no secondary sale. 2. The materials used are of high quality and not only have a long service life, but can also be used. Effectively resists external damage and fractures. 3. The goods are strictly tested before shipment. 4. Please check that parts and models are compatible before ordering to ensure that the correct accessories can support the proper functioning of the product. SpecificationsPacking List: 1 x Clutch Drum1 x Clutch1 x Clutch Cover1 x Washer1 x Sprocket1 x E-clip1 x Needle Bearing.Rim Sprocket: 3/8" Pitch, Standard 7 Spline, 7 Tooth NoteIf you have any problems in the purchase process, you can contact me at any time, we are online 24 hours a day, you are welcome to enter the store for consultation Compatible with: For Stihl 064, 066, MS660 MS640 MS661 Chainsaw - Rim Sprocket: 3/8" Pitch, 7 Spline Standard, 7 Tooth - You will receive: 1 x Clutch Drum, 1 x Clutch, 1 x Clutch Cover, 1 x Washer, 1 x sprocket, 1 x E-clip, 1 x needle bearing.