Prox Mikuni 4/042 Series Main Jet #290 (pack of 5)

Confirm the exact year, make, model and trim before ordering. Send us SKU 108163 with your vehicle info and we can help verify fitment.

Shipping services and final delivery cost are shown at checkout. Returns are confirmed before an RMA is issued — parts generally need to be uninstalled, unused and in original packaging. Full policy.