Head Specialists was originally started by Dave Rosewarne in 1981.
It started out as a small cylinder head reconditioning shop with
an interest in motor sport. However, over the years it has developed
into a Hi-Tech engine development facility still concentrating
on cylinder head technology but with a wide variety of engine
related race components.
involvement in motor sport has been hydroplane racing - New Zealand
Champ and South Island Champ, Hill Climbing, Asphalt Road Racing,
Marathon Boat Racing, Drag Racing and currently Sprint Car and
Modified Racing. Staff involvement is also Speedway, Boat, Karting,
Rally and Drag Racing.
can offer expertise for a wide variety of motor sport activities.
We have prided ourselves in keeping up with technology, with a
Computer Controlled Dyno, Flow Bench Technology and the most up-to-date
we're not busy with customers work we run some very in-depth research
and development ( R&D ) programs. We believe in quality
not quantity. Results at motor sport of all levels show our
commitment to quality and our ability to tackle different types
of projects from multi-valve motorcycles to blown and turbocharged
big block chevs and everything imaginable in between. Have a browse
through our photo gallery for a small sample of our involvement
in motor racing.