Bethania Garage Inc. & Hard Dog Fabrication Hard Dog Fabrication Logo
The M3 Hard Bar


Hard Dog offers an extensive line of Roll Bars for the 2006 - 2015 3rd Generation MX-5. Built from heavy wall 1.75" diameter tubing bolted to the factory hoop anchor points with additional lower mounting plates bolted through the bulkhead with grade 8 bolts and reinforcement plates. This bar is a serious upgrade from the stock NC equipment.

The M3 Hard Bar is for the Power Retractable Hard Top ONLY.

Two main hoop diagonal braces and / or harness bar and / or removable forward bracing may be added.

If you have a Soft Top NC check out the M3 Sport Bar



  • Not sure which Roll Bar is right for you? Contact Us!

  • Protect your bean. Custom formed high density padding is now available for Hard Dog Roll Bars!

M3 Hard Bar Features:

  • Allows full seat travel and tilt

  • Power Retractable Hard Top compatible

  • Durable black powdercoat finish

  • Constructed of highest quality 1.75" diam x .120" wall  drawn over mandrel tubing

  • 3/16" mounting and backup plates

  • Complete hardware kit w/ grade 8 bolts and self locking nuts

Roll Bar Accessories:

M3 Hard Bar - 2006 - 2015 Power Retractable Hard Top Models
- Contiguous 48 U.S. States Shipping $130.00
Item/Number Description
M3RT Black Powdercoat
M32DRT Black Powdercoat w/ Double Diagonal
H Harness Bar
K Speaker Bracket for Harness Bar
P Black Powdercoat Removable Forward Brace
Stitched Covers w/ our Custom Formed High Density Padding (Cover Shipping $30.00 Contiguous U.S)
Item/Number Description
V Black Vinyl
L Black Leather
Hard Dog Custom Formed High Density Padding (Pad Shipping $30.00 Contiguous U.S)
Item/Number Description
CPAD Formed Pad Only



M3 Hard Bar w/ Double Diagonals
Click to Enlarge Image

Stainless Double Diagonal Retractable Hard Top Version

WARNING: This article is sold without warranty, expressed or implied. No warranty is made to this product's ability to protect the user from any injury or death. The user assumes that risk.

Updated Jan 1, 2024