PLEASE NOTE: This boss kit is only compatible with the coupler type horn wiring configuration as per the product image.
THIS BOSS KIT IS NOT COMPATIBLE WITH VEHICLES THAT HAD A FACTORY STEERING WHEEL PRESENT WITH A COPPER CONTACT RING ON ITS BACK (aka non coupler)
For vehicles without the horn coupler, please see 902 or 902S model boss kit. This boss kit is not compatible with vehicles factory fitted with SRS airbag.
Racehub NZ is New Zealand's official distributor & authorised dealer for genuine Works Bell products direct from the manufacturer. Works Bell represent the absolute pinnacle of boss kit & quick release kit design and manufacturing quality. They are the absolute global leader in providing premium steering hub adapters.
These WB standard length boss kits feature multi-PCD mounting, making it compatible with ANY 6 hole steering wheel from MOMO, Nardi - Personal, OMP, Sparco, Luisi, Sport Line, Sabelt  and everything in between! Boss kits listed for non-airbag vehicles may also fit airbag equipped car makes/models but do not include the resistor required to cancel dash warning/activation light systems and vice versa for boss kits listed for airbag equipped models also.
A WB boss kit package will typically include the following as pictured:
Main boss kit unit & shroud NAPAC ASEA certification of quality Allen bolts and key set Horn button wiring Air bag resistor (if applicable)
Note: Photo is for generic reference and product illustration. The size, packaging and dimensions of the boss kit may differ from model to model depending on the make of the intended vehicle fitment.
For any fitment queries, please refer to compatibility chart below or visit the FAQ or Contact Us section for more assistance.
PRODUCT NOTES: - FD3S HDES HD5S HD5P HDEP: Please check the terminal type for horn wiring; for coupler terminal=#908. See fig. 9-1. - FD3S: Boss spacer (sold separately) should be necessary, if steering wheel interferes with levers. Choose boss spacer thickness from 10, 15, 20, 25 or 30mm.
COMPATIBILITY NOTES: - FD3S: Only for RX-7 equipped with coupler terminal for horn wiring Not compatible with vehicles equipped with airbags 12/91~12/98 - MB5A: Only for MS-8 Not compatible with vehicles equipped with airbags Not compatible with vehicles equipped with cruise control 2/92~12/96 - HDES HD5S HD5P HDEP: Only for MS-9 equipped with coupler terminal for horn wiring Not compatible with vehicles equipped with cruise control 10/91~
INSTALLATION NOTE: - Maximum torque is just over finger tight @3.5kg. The item is composed of cast aluminum and anything more will result in damage to the boss kit. No claim on damage from installation unless video is provided from installation at provided torque spec.
WARNING: ALL INSTALLATION MUST BE CARRIED OUT IN ACCORDANCE TO THE TORQUE SPECIFICATIONS FOUND INSIDE THE PACKAGING OF THIS PRODUCT.
ANY DAMAGE RESULTING FROM DEVIATION WILL NOT BE COVERED BY RACEHUB NZ.
PLEASE REFER TO A PROFESSIONAL TECHNICIAN IF YOU DO NOT HAVE THE APPROPRIATE TOOLS FOR INSTALLATION. MORE INFO BELOW: https://www.worksbell.co.jp/en/support/tightening-torque/
COMPATIBILITY
Mazda MS-8 MB5A KL-ZE (01/1992-06/1998) Mazda MS9 Efini Sentia HD5P J5-DE (03/1991-07/1998) Mazda MS-9 HD5S J5-DE (03/1991-07/1998) Mazda MS-9 HDEP JE-Z (03/1991-07/1998) Mazda MS-9 HDES JE-ZE (03/1991-07/1998) Mazda RX7 FD3S Type I 13B-REW (12/1991-09/1994) Mazda RX-7 FD3S Type II 13B-REW (09/1994-03/1995) Mazda RX-7 FD3S Type III 13B-REW (09/1994-01/1996) Mazda RX-7 FD3S Type IV 13B-REW (01/1996-12/1998)
