Grom engine plugs (all years) Color:Green ECU tune with higher rpm

ECU tune with higher rpm limit

Fingerprints and glossy marks are now a thing of the past

Perfect for riders who want longer runtime and easier battery swaps without extra bulk

Each bag is structured with a tip-proof design

The nut has the metal locking ring like the stock nuts so it doesn't wear out like plastic lock rings

Grom engine plugs (all years) Color:Green ECU tune with higher rpmCrf110 engine plugs Replace your boring stock engine plugs with our custom laser etched plugs. available in 11 anodized colors. Machined right here in the USA using aircraft grade 6061 aluminum. You know you're getting the Legacy minis quality that we strive to provide. 11 Anodized colors Sold as a pair 10mm Allen for large plug 6mm Allen for small plug Reuse stock o rings Custom laser etching Made in the USA