Good-Win Racing Mazda Performance Parts

I.L. Motorsports Competition Differential Mount 40% Stiffer Bushings


Miata 1990-2005 · Suspension · Bushings

Part Number: 61-1073DB

Application: 1990-2005

Price: $141.95


I.L. Motorsports Competition Differential Mount 40% Stiffer Bushings
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These Competition Diff Mounts from I.L.Motorsport are born from the extensive testing in the European MX5 Race Series.

Supplied as a set of 2 these long lasting differential mounts are perfect for higher horsepower and aggressively driven Miatas....but any Miata will benefit from these durable rubber mounts that are 40% stiffer than stock. Suitable for both Street, Autocross, and Track Use. A new set of Diff Mounts will keep everything in line by minimizing flex, vibration and will make your Miata Feel like new again!

Brian's Application NOTES: Improves the shift action! When the motor rocks over hard the transmission twists and that twist the entire driveline and that makes it tough to go from 2nd to 3rd gear when driving hard, harder mounts limit the twist and make shifting easier. Upgrade BOTH your engine and diff mounts for the best performance.

*** Product images may differ from actual product appearance ***


Brian, Thank you!!! We last spoke in November about some upgrades for my 2011 MX5 soft top. It has finally warmed up in NE Ohio and two relaxed weekends of wrenching on my car were well worth the effort. Installation of the RoadsterSport ceramic coated street header was straight forward and took under 8 hours, including a 40 minute test drive and cleanup of the garage! Combined with the RoadsterSport Q exhaust, the sound is fantastic and the increased torque, horsepower and performance make it a blast to drive. The addition of the Cobalt shock tower brace, Racing Beat sway bars, ILM front power train and X braces really enhanced the ride - minimal body roll, comfortable and very responsive. Your recommendations really helped transform the car from great to fantastic. Your research, product development and candid recommendations make you a standout in the industry. My only questions are - what's next on my list .... And how soon will my wife want the same upgrades on her 2012 PRHT ... Again, thank you!!! Charles G

-- Charles

I have to say that your website is one of the cleanest, most functional and easy to use. There are a lot of independent part sellers that have horrible websites and it was a joy to use yours and even explore the customer car gallery and the good win build page. Thank you for a great experience.

-- Matt C.