Return to Cross Performance Pop-Up Piston Kit for Stihl 039, MS390
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5 of 5 039 piston high comp March 2, 2024
Reviewer: Joe Stek from Margaretville, NY United States  


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5 of 5 Noticable difference January 3, 2024
Reviewer: Steven T. from Barksdale AFB, LA United States  
Needed to do a piston swap to fix damage and get a frag top end, so went with the popup. Noticeable gain in compression, throttle response, and torque. Circlips were tuff to get in but otherwise, well designed and manufactured. Fast shipping!

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5 of 5 March 23, 2023
Reviewer: Craig Briggs from Bismarck, MO United States  


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5 of 5 Stihl 039 November 2, 2022
Reviewer: Kenny from IN  
Works perfect I think I'm going to do all my saws from now on with one of these

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5 of 5 Good fit, wrist pin clips are tough! November 30, 2021
Reviewer: JTR from Fallon, NV United States  
Fit oem cylinder, piston wrist pins are tough to get in.  Be nice to offer clips in case someone looses one.  Saw started right up and has ran through one tank of fuel.

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5 of 5 Just what it needed February 9, 2021
Reviewer: anthony johnson from bunker hill, IL United States  
Gave me a good refresh of the engine with a little more power then stick to boot

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5 of 5 Beautiful! November 22, 2020
Reviewer: ADAM JAGNEAUX from LAKE CHARLES, LA United States  
Good quality, holding up great!

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5 of 5 Excellent kit August 3, 2020
Reviewer: Ira Agans from State park service  
Parts look to be top notch

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5 of 5 Piston January 8, 2020
Reviewer: Kenneth Partaker from Lac la biche, AB Canada  
piston looks good quality can’t wait to install it

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5 of 5 Cross November 2, 2019
Reviewer: Gary Buxton from Brodhead, WI United States  
Awesome piston oem qauilty with more compression

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