NEW UPDATED +3" Extended Swingarm 72-99 Honda Z50 - TBW1253 52mm They are also lighter than

They are also lighter than the factory valves

The new bore kit consists of high quality parts and requires no machining to the cases - bolt on and go

Takegawa +R Head Kitaco Head

The kit also includes an all aluminum ceramic plated 64mm cylinder with a skirt

TBW1110 Main Jets

NEW UPDATED +3" Extended Swingarm 72-99 Honda Z50 - TBW1253 52mm They are also lighter thanTB Parts Z50 Swingarm Kit Extended 3" Updated Version!! Fits 72 99 Honda Z50's NEW Design! TBW1253 Old version was TBW0573 TB Swingarm, Plus 3 Z50 K0 78 & Z50R 79 99 New in 2019: TB Parts has an updated version of our popular plus 3 extended aluminum swingarm kit for the Z50 K0 78 and all Z50R models. The previous version was a great performing swingarm that we sold for the last 10 years. We decided it was time for an update and this new one is