2007.5-18 GM 1500 Truck Complete Bolt-On Dual Train Horn Kit - 220/6270RC

Black Bolt-On Air Horn System for 1978-up Harley-Davidson (W/COWBELL HORN COVER)

2007-18 Jeep JK and JKU Add-on Train Horn Kit REQUIRES COMPRESSOR and TANK

2011-16 F-250/2011-15 F-350 Train Horn and Onboard Air System-230/6350RC

2007-18 Jeep Wrangler JK & JKU Bolt-On Dual Air Horn Kit - 101 / 6260RC

Optional Jkoba Dual Compressor Upgrade​

Hex reducer - 3/8" F NPT to 1/2" M NPT

Hex reducer - 1/4" F NPT to 3/8" M NPT

Hex adapter - 3/8" F NPT to 1/4" M NPT

Hex male nipple - 1/4" M NPT to 1/4" M NPT

Hex male nipple adapter - 3/8" M NPT to 1/4" M NPT

Hex reducer - 1/8" F NPT to 1/4" M NPT