Lil' Red Barn Toggle Search Account Checkout Cart Home Parts & Tools Electrical Filters Fuel System Parts Tractor Parts 4-Stroke Engines Chainsaws Hedge Trimmers Leaf Blowers Safety Apparel Tools and Testers Service Manuals Briggs and Stratton Canadian Dolmar Echo Homelite Husqvarna Jonsered Kohler Makita McCulloch Onan Partner Pioneer Poulan Information Chain Reference Chart Chainsaw Chain Info - Maintenance & Safety Manual Testing Information and Diagrams for 2-Cycle Engines Watch How To Videos Contact Us Account Search site Submit search Nav Menu 2 Nav Menu 3 Nav Menu 4 Nav Menu 5 Nav Menu 6 Nav Menu 7 Nav Menu 8 Home > Parts & Tools > Chainsaws > Stihl > Stihl 066 > STIHL 066 MAGNUM, MS660 PISTON & CYLINDER 56MM REPLACES Stihl part number 1122-020-1211, 1122-020-1209 Alternative Views: Our Price: $119.95 Availability: Usually Ships in 24 to 48 Hours Product Code: SHCKN066-56BB Qty: Description This is a suitable replacement piston and cylinder kit for a Stihl 066, 066 Magnum, MS 660, MS 650, MS 660 Magnum. 56 mm bore. Replaces OEM# 1122-020-1211, 1122-020-1209 Related Products... 32" REPLACEMENT PRO CHAIN, 3/8" STIHL REPLACEMENT WEST COAST SPIKES, HEAVY DUTY, 5 POINT STIHL 066, MS660, MS650, TOP END GASKET SET OREGON 34" BAR & CHAIN COMBO FITS STIHL 066 064 MS660 MS460 MS461 044 046 MS440 Our Price: $31.95 Our Price: $24.95 Our Price: $7.99 Our Price: $135.00 STIHL REPLACEMENT CLUTCH PART # 1122 160 2005,NEW Stihl 42" Replacement BAR & CHAIN COMBO 3/8" PITCH.063" NEW REPLACEMENT IGNITION COIL, # 1122-400-1314 STIHL 066, MS660, MS650, GASKET SET Our Price: $29.95 Our Price: $129.95 Our Price: $69.95 Our Price: $9.99 Average Customer Review: 5 of 5 Total Reviews: 1 Write a review. 0 of 0 people found the following review helpful: MS660 56mm piston and Cylinder Friday, November 1, 2013 Reviewer: Bryan Haugen from Kenyon, MN United States A very good quality jug and piston. Was this review helpful to you?