Fits STIHL MS650, MS660, 066 BIG BORE 

PISTON ASSEMBLY

QUALITY AFTERMARKET REPLACEMENT

​O.E.M.#

H31660-B

BORE DIAMETER: 56MM

FITS: STIHL MS650, MS660, 066 BIG BORE

Includes: Piston, Rings, Wrist pin, Circlips

 Ships Usually In 24 Hrs & To You 1 to 7 Days Canada & U.S.A.

NOTE: Overseas Orders Will Be Sent  By Way Of Ocean 4 to 6 Weeks 

Contact Us Before Purchase If You Would Like Air Service 10 Days.

Any saws shown are for display purpose only and are not included.