TB Swingarm, Plus 1.5″ – Z50 K3-78 & Z50R 79-99 Swingarm keeping it shielded from dirt

keeping it shielded from dirt and mud

Packed with Chevron SR1-2 high-performance grease with rust and oxidation inhibitors

extending the life of the seal

This kit is to upgrade the cylinder head on stock YX/GPX 150 or 160 engines to our new Race Head V2

TB Swingarm, Plus 1.5″ – Z50 K3-78 & Z50R 79-99 Swingarm keeping it shielded from dirtTB Swingarm, Plus 1. 5 Z50 K3 78 & Z50R 79 99 New in 2020: TBparts. com has an updated version of our popular Plus 1. 5 extended aluminum swingarm kit for the Z50 K3 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 exceptional! Here are the new key features of this version: Uses solid billet aluminum sections for increased strength