Phathead Racing Billet Gas Cap "tank top" KTM / Husqvarna / GASGAS 2014 - 2025 Color:Matte Black Use the NGK MR8BI or

Use the NGK MR8BI or OE 2024+ spark plug

K51 -  42cc Stock compression                                                                                            K52 -  40

5mm larger than the 80

4cc  (105+ octane)

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

Phathead Racing Billet Gas Cap "tank top" KTM / Husqvarna / GASGAS 2014 - 2025 Color:Matte Black Use the NGK MR8BI orFlex 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