Engine Koso Big Injector Adapter Kit PreviousKoso Mini 3 Cyl Head Temp Meter NextKoso High Flow Injector Koso Big Injector Adapter Kit Koso Big Injector Adapter Kit $79.95 This kit is required to use Koso hi-flow injector. Quantity: Add To Cart Facebook0 Twitter LinkedIn0 Reddit Tumblr Related Items Koso Big Injector Adapter Kit $79.95 Koso High Flow Injector $149.00