We at King of the Road are proud to continue the Delco
tradition of precision assembly in the Miami Valley. We
manufacture the Original Delco Height Control Valve under the King
of the Road trade name. In addition to our production
manufacturing operation we continue to work with air suspension
users to provide innovative solutions to meet the needs of their
We have the capability of modifying our existing products or
developing an entirely new product to meet your needs. For King of
the Road valve applications, we can draw on an extensive database
of OEM drawings for legacy valves and, as necessary, create new
mounting brackets or arms. We continue to produce new variations
of our valve for applications as diverse as isolation tables,
vintage Motorhome, oil field pumps and commercial laundry
machinery. Let us know you needs and we can develop a customized
product for your application.
2010 – A new Limited Liability Corporation was formed
named Dayton Air Control products LLC, to continue the
manufacturing and distribution of the King of the Road tm product
line. Dayton Air Control then moved to its current facility in
Moraine, close to the original site where Delco began
manufacturing of the Valves some 50 years earlier.
2009 – With the upheaval in the automotive industry
Crowe Manufacturing would cease operations of the Steering Knuckle
and Frame manufacturing.
1996 – The increase of contract manufacturing in the
Steering Knuckle and Wheel Hub business brought about a name
change from Crowe Industries to Crowe Manufacturing.
1991 – Crowe moved from its original facility on Webster
Street into a 150,000 square feet facility on Torrence Street in
1988 – With General Motors decision to sell the Truck
and Bus Division and exit the market, Crowe purchased the
exclusive rights of the product designs and manufacturing
1981 – Delco outsourced the manufacturing of their
Leveling and Height Control Valves and Control Links to Crowe
Industries, while still under the Delco Product name.
1959 – Delco introduced the next generation HCV for
automotive, truck and bus applications
1953 – General Motors introduced the first air ride
suspension on buses