Phathead Racing Billet Gas Cap "tank top" KTM / Husqvarna / GASGAS 2014 - 2025 YZ125 K51 - 42cc Stock compression

K51 -  42cc Stock compression                                                                                            K52 -  40

YZ296 -  24cc  72mm 100 octane - Revised squish clearance

Kit includes the required engine mounts

4cc (95+ octane)

Phathead Racing Billet Gas Cap "tank top" KTM / Husqvarna / GASGAS 2014 - 2025 YZ125 K51 - 42cc Stock compressionFlex 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