If you've come across a used Boss Frog rollbar and installed it in your Miata, the seatbelts sometimes wont retract as well as they did due to binding. These bolt-on adapters help the seat belts slide a bit easier. Installation does require cutting off the OEM belt guides.

These are for use on 2005 and earlier Boss Frog and Hard Dog Rollbars. BF started including them after 2005 until BF closed their doors a while back.

Price is for the pair (Single piece also available).

Assuming that you tilted the seatbelt reel toward the inside of the car and trimmed the plastic bits properly per the Boss Frog instructions, these seatbelt adapters will help improve the belts retraction. Factory level of retraction is a thing of the past though... you've modified your car beyond that ...


Original Boss Frog instructions are available for download here: BOSS FROG INSTRUCTIONS


***NOTE**** There may be way more force/pressure needed to get the seat belt toungue through the opening of the extender than the BOSS FROG instructions let on. We even added some clearance to the opening to help. If you cant get the toungue through you can modify the plastic on the toungue by sanding or shaving it down. Do NOT modify the extender for clearance. The installation video uses a 91-97 miata seat belt. Other years may require modification to the plastic surround of the seat belt tongue.

Satin Black is only available with Delayed Production. We will include it with other satin black pieces when we send out for powder coat. Satin Black pieces are NOT kept in inventory. If you need them "ASAP/next week/I need these for an autocross this weekend".... DO NOT expect them before 2-3 weeks.

Miata Roll Bar Seat Belt Adapter

Miata Seat Belt Adapters

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