Return to Hyway High-Quality Nikasil Plated Big Bore Cylinder Top End Rebuild Kit Compatible with Stihl 066, MS660
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  0 of 0 people found the following review helpful:
 
5 of 5 Nice cylinder December 13, 2025
Reviewer: BRETT TREADWAY from Culver, OR United States  
This is a quality kit. Although I haven’t installed it yet. But I recently put a big bore kit on my 046 and it is the same quality. Very happy with the way the saw runs now.

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5 of 5 June 14, 2023
Reviewer: charles gilmor from overbrook, OK United States  


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4 of 5 Looks amazing good quality February 6, 2023
Reviewer: Colby Dickow from West Linn, OR United States  
I did the 1-2 week shipping because I was tight on cash it was nice to be able to track my shipment although it was not the most accurate it being a couple days late, the box it came in was well protected with foam and crumpled paper one of the gaskets was torn and creased. All in all it was worth the cost because stihl OEM parts would’ve been double maybe even triple the cost.

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5 of 5 January 20, 2023
Reviewer: Anonymous Person from Arlington, TN United States  


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1 of 5 Part didn’t work for me. August 29, 2022
Reviewer: ivan salazar from Paw paw, MI United States  
I try to contact sending an email to return the part.  I never get an answer.

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5 of 5 July 21, 2022
Reviewer: Kevin Hartman from Rockville, IN United States  


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5 of 5 June 21, 2022
Reviewer: Russ Howes from Western North Dakota  


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1 of 5 Castings don’t match up. May 31, 2019
Reviewer: Chris Pollock from Graham , WA United States  
Castings don’t match up causing hole in the intake port.

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  1 of 1 people found the following review helpful:
 
5 of 5 March 16, 2018
Reviewer: Martin Løberg from Siljan, Telemark Norway  
Some rough casting in the ports of the cylinder.
But it is still a good kit.

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  1 of 1 people found the following review helpful:
 
5 of 5 big bore kit December 3, 2017
Reviewer: thomas wadas from arlington heights, IL United States  
Good quality replacement piston and cylinder.
I would recommend these parts.

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