Choose Options AirDog FPII Diesel Fuel System AirDog MSRP: Now: $984.95 - $1,160.95 Was: AirDog® FPII Heavy Duty Diesel Fuel System Give your engine a serious strength boost and a longer service life with an AirDog® Heavy Duty Fuel System. Get the performance that you and your big rig deserve with AirDog's Fuel Systems! *This... MSRP: Now: $984.95 - $1,160.95 Was: Choose Options