Phathead Racing Billet Gas Cap "tank top" KTM / Husqvarna / GASGAS 2014 - 2025 Color:Matte Black Yamaha YZ85 Phathead cylinder head

Yamaha YZ85 Phathead cylinder head kit 1993-2018 YZ80

Use the NGK MR8BI or OE 2024+ spark plug

5mm larger than the 80

Hotrods has only one part number  for the stroker so we are sure that there is not a +2mm and +4mm

4cc  (95+ octane)

Phathead Racing Billet Gas Cap "tank top" KTM / Husqvarna / GASGAS 2014 - 2025 Color:Matte Black Yamaha YZ85 Phathead cylinder headFlex on the competition with our signature geometric designs carved out of solid 6061 T6 billet aluminum. Improved flow, sleek design and stainless hardware finish off these specialty tops which mate seamlessly to your stock gas cap internals. Remove the original guts from the stock plastic cap and install into the new billet shell. Fit, function and looks are going to turn heads and have people asking questions. Purchase laser etch separately for