Werks 5-Port B5 Piston/Sleeve Set

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This is a replacement piston/sleeve set for the Werks Racing B5 and B5 Pro .21 race engines. This includes only the piston and sleeve so you will need to attach your own connecting rod to the piston.

This product was added to our catalog on March 30, 2005

Adam Kerin
Average Rating: 5
Verified Owner
Monday, Sep 7 2009 (about 9 years ago)
Werks 5-Port B5 Piston/Sleeve Set
I would say disregard below. I was worried after reading this but checked the part number on the werks racing website and it is the correct part, same as if you ordered replacement through them, so I purchased this one as cheaper through A-main. Mine arrived and it is a thing of beauty indeed, and the piston is domed just like the original one, it is most definitely the factory replacement part.
Deyner Managarelli
Average Rating: 1
Verified Owner
Tuesday, Oct 21 2008 (about 10 years ago)
Werks 5-Port B5 Piston/Sleeve Set
this is not the same part that comes in the new b7 , the piston sleeve should have more machining around the the bottom edge of the sleeve and the piston itself should be domed , these are not !!!!