Raw aluminum bulkheads
Proudly CNC'd in our Orange, CA shop
Works perfectly with modern DOT airline hose
Threaded with 1/4" or 3/8" NPT
Can be Cerakoted upon request
We use these on all our Old Anvil Speed Shop chassis
 
Set includes:
4x single bulkheads - one at each tire
2x double bulkheads - one at each tank valve