Tombstone AN Drain Locks for 94-23 Cummins The Tombstone Diesel Turbocharger AN Drain Lock is constructed of stainless steel and hardened fasteners. It is designed to securely hold the turbocharger...
The Tombstone Diesel Turbocharger AN Drain Lock is constructed of stainless steel and hardened fasteners. It is designed to securely hold the turbocharger AN style drain line fitting into the engine block, completely stopping the risks of the drain line fitting from coming out of the block under boost conditions and or from excessive engine crankcase pressure. The Tombstone Diesel Turbocharger AN Drain Lock kit is designed to work with any -10 and -12 AN kits for turbocharger systems on 1994 to current Cummins engines. This new patented design is manufactured to protect engines on the road and at the track.
