#520RS SD Tri-Gear 90 deg Main & 90 deg RM Nose RS Ready w/Air Kit
#520RSE Electric Tri-Gear 90 deg Main & 90 deg RM Nose RS Ready
#521RS SD Tri-Gear 90 deg Main & 90 deg FW Nose RS Ready w/Air Kit
#521RSE ElectricTri-Gear 90 deg Main & 90 deg FW Nose RS Ready
#524 510/530/550 Main Gear Wire Kit
#525 510/530/550 Nose Gear Wire Kit