![Proline® Big Bore Cylinder And Pop Up Piston Kit For 066 MS660 56mm Proline® Big Bore Cylinder And Pop Up Piston Kit For 066 MS660 56mm](https://cdn11.bigcommerce.com/s-wgfoazho0n/images/stencil/266x330/products/2566/10815/proline-big-bore-cylinder-and-pop-up-piston-kit-for-066-ms660-56mm__85852.1692775566.jpg?c=2)
![Proline® Big Bore Cylinder And Pop Up Piston Kit For 066 MS660 56mm Proline® Big Bore Cylinder And Pop Up Piston Kit For 066 MS660 56mm](https://cdn11.bigcommerce.com/s-wgfoazho0n/images/stencil/266x330/products/2566/9894/proline-big-bore-cylinder-and-pop-up-piston-kit-for-066-ms660-56mm__25439.1692772680.jpg?c=2)
Proline® Big Bore Pop Up Piston Kit for Stihl 066, MS660 chainsaws. Verify that your cylinder is a 56mm bore size BEFORE purchasing, as some models listed used more than one style/part number, depending on manufacture date. Please match your part with ours for proper fitment; actual pictures shown. This kit is Not made in China.
Includes:
Specs:
Replaces Stihl OEM #:
Proline® Big Bore Pop Up Piston Kit for Stihl 066, MS660 chainsaws. Verify that your cylinder is a 56mm bore size BEFORE purchasing, as some models listed used more than one style/part number, depending on manufacture date. Please match your part with ours for proper fitment; actual pictures shown. This kit is Not made in China.
Includes:
Specs:
Replaces Stihl OEM #: