This gear will allow any 2T or 3T to be upgraded to a 2TG or 2T/3TG Hybrid.
Included is
88260 Yamaha 2TG head
2TG Rocker cover
Timing Chains
All chain tensioners and guides
2TG Timing cover
Dummy Cam (replaces the single 2t/3t cam & add spocket for twin cam chain while still turning the distributor gears)
Any other bits needed I forgot to mention