Return to Cross Performance MMWS cylinder kit for Stihl 066, MS660

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2 of 2 people found the following review helpful:

Cross Performance MMWS Stihl 066, MS660 cylinder k June 5, 2017 Reviewer: MustangMike from Brewster, NY United States   The Piston gets 5 stars, it is lighter than OEM, has slightly wider skirts, and looks like an almost exact duplicate. The cylinder is an almost exact duplicate of OEM but with improved ports and port timing.  The cooling fins are a bit thicker than OEM. I gave it 4 stars because the intake port needed a little bit of cleanup. Squish, w/o base gasket, was .020. Was this review helpful to you?

1 of 1 people found the following review helpful:

MMWS 066 p/c kit December 17, 2016 Reviewer: taylor from bella vista, AR United States   Was looking forward to seeing this cylinder that Mastermind had got ahold of and how it would turn out being reproduced and i have to say im impressed. Quality looks to be top notch. Really cool thing hlsupply and Mastermind did. Fast shipping as usual. Was this review helpful to you?

0 of 0 people found the following review helpful:

066 cylinders December 12, 2016 Reviewer: Anonymous Person from Monroeville, PA United States   great price prompt shipping Was this review helpful to you?