With over 35 years of experience DoctorDug specializes in service, repair, and performance modification for sportbikes, dirtbikes, ATVs, and metric cruisers.

DoctorDug excels in everything from basic maintenance for your street bike to high-performance enhancements for the track or strip.

DoctorDug holds full factory certifications for the big four Japanese in addition to Harley Davidson and can can also assist you with warranty repair and documentation.

DoctorDug speciliazes in building race proven IHRA, AMA, WERA, CCS, SORCS, SPRINT Series motors and chassis.

We are now selling safe and reliable high performance/high compression
competition head gaskets! DoctorDug has been making high compression head gaskets for his personal motors and is now offering them to the public. These gaskets offer better sealing and heat control.

DoctorDug has been building race engines for over 20 years. We do porting by hand - no CNC - and our headwork typically achieves 10-15 hp gains.

There are absolutely no cutting corners - everything is done right the first time!