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JBR 2007-2009 Mazdaspeed 3 Transmission Side Motor Mount


SKU: MS3-TMM Category:



The JBR transmission mount is the only vertically oriented mount on the market and they’re available in your choice of 70, 80 and 88 durometers.

We’ve replaced the weak cast aluminum OEM transmission perch with a new perch constructed out of 1/4″ plate and a 2″ round solid steel stand-off. The business end of the mount is constructed out of CNC formed steel and 4130 sleeves to house the bushings. All components of this mount are then precision TIG welded.

Our 70 and 80 durometer mounts incorporate a bushing nearly 3″ in diameter. The larger bushing and our proprietary polyurethane formula provide outstanding performance and durability without sacrificing comfort.

The JBR 88 durometer mount utilizes a smaller 1.5″ diameter bushing. The smaller, harder bushing has less deflection. This translates in to performance unsurpassed by any other mount on the market. This mount can handle anything you plan to throw at it.

Wheel Hop? What wheel hop? Torque Steer? Gone. When combined with the #1 selling rear motor mounts on the market and the only vertically oriented passenger mount available anywhere, the problems that have plagued the Mazdaspeed 3 are now a thing of the past.


– Laser cut, CNC formed TIG welded steel construction
– Powder coated to resist corrosion
– Bolt-on installation


– 70, 80 or 88 durometer mount
– All necessary installation hardware
– Installation instructions are available in our support section
– Shipping is free in the US & our Hassle Free Lifetime Warranty is included

Additional information

Weight 8.4 lbs
Dimensions 10 × 7 × 5 in

70 Street- RED, 80 Street/Track- BLK, 88 Track/Strip- BLK