Allan McCostlin is the man behind the mechanics of David’s machine. He maintains
and builds Haagsma’s quads to be fast. They run Sparks Racing engine work and
exhaust systems to improve power output and keep David on the podium.
Elka Stage 5 shocks with Roll Design
suspension components keeps
Haagsma’s quad riding smooth, and a
Precision steering stabilizer helps keep
his bars pointed in the right direction.