DUCATI ST4 99-2000 K&N Replacement Air Filter - ST4 99-2000 Stainless Performance Valves you will need to modify

you will need to modify your stock throttle cable to adapt to the Lectrons

MTC 72mm Forged piston kit for the Kawasaki Z1000J 17mm pin size

TRW the best new uprated clutch pressure Springs

works with standard or aftermarket coils

DUCATI ST4 99-2000 K&N Replacement Air Filter - ST4 99-2000 Stainless Performance Valves you will need to modifyK&N Engineering Replacement Air Filters Provide increased horsepower and improved throttle response over OEM type Paper or foam filter elements. Washable and re usable, backed by a million mile manufacturers warranty! All K&N filters are pre oiled ready for use. K&N Filters have a high quality urethane or plastic chassis seal selected for performance and durability, ensuring a perfect seal to Protect your engine from damaging particles. The red pre