Bell HP6 RALLY Helmet FIA8860-2018 Z/28 (Gen 5) The IPD plenum delivers net

The IPD plenum delivers net gains throughout both power and torque curves

Machined aluminum caliper spacers are included to accommodate the larger Girodiscs

your factory bias is maintained as well as your ABS effectiveness and efficiency

as with all the ZERO helmets in Stilo's lineup

An open headrest specifically designed for HANS/FHR use ensures maximum visibility while maintaining side impact safety

Bell HP6 RALLY Helmet FIA8860-2018 Z/28 (Gen 5) The IPD plenum delivers netBell HP6 Rally Helmet FIA8860 2018 The Bell HP6 Rally Carbon is the flagship closed face rally helmet designed for professional drivers demanding uncompromising safety, communication, and comfort. Certified to the FIA 8860 2018 standardthe highest level of motorsport helmet homologationthe HP6 Rally delivers ultra lightweight carbon construction, an extra wide eyeport for improved visibility, and factory installed ZeroNoise electronics for crystal