PART NUMBER: 61-1735
Fits both 2.0 and 2.5 motors. Works with factory and aftermarket engine mounts such as our 40% stiffer rubber mounts.
Drops the 2.5L motor to the same effective height as the factory 2.0L. This lowers the center of gravity for better handling and allows the 2.5L to fit underneath the factory shock tower brace. With these you can also fit our MP62 supercharger to the 2.5L motor without needing to cut the hood for clearance.
Previously, the only way to lower the engine was with special engine mounts only available in "race" durometer, and those mounts transfer huge vibrations into the chassis. We set about designing these brackets so that you can lower the motor while still retaining rubber engine mounts that keep the car enjoyable for all uses. (Specifically our GWR rubber Competition Engine Mounts part number 61-1713)
Use these on your 2.0L motor to lower the engine's center of mass within the car for a competitive advantage.
Works with the OEM engine mounts and aftermarket mounts.
Kit includes two drop brackets and eight washers. Stack four washers in the bracket's mounting cup for each bracket to take up the unthreaded length on the stud so that the nut can tighten down fully on the stud.
This version fits with most aftermarket headers including our standard Max Power header and our street header. However, it DOES NOT clear Long-tube headers or our new larger 1.8" Max Power header. Note that lowering the engine means lowering entire exhaust system, this can mean you need to space braces under the car down with some washers to create more clearance for midpipe.
INSTALLATION NOTE: If your factory bolts for the bracket to engine block are 40mm long, you will need to replace those with 30mm length bolts (M10). BRIAN'S APPLICATION NOTES: Only recommended for the customer seeking room on top of 2.5 conversion to use MP62 blower, most 2.5 customers should skip this option to run our big 1.8 inch primary header.
MIATA MX5-NC 2006-2015
MIATA MX5-NC 2006-2015
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2.5 l conversion I did on my own. Brackets are very nice and lower the engine just right. The only thing I would make you aware of is that with my car, I had to buy 6 M10 by 30 mm bolts and washers because the stock ones (40 mm) bottomed out without touching the brackets. My car was built in Dec 2005, no idea where the brackets changed.
Got these to compensate for the 16mm extra height in the just finished 2.5 conversion along with the GWR Competition motor mounts. Fitment is great with the exception of slightly shaving down a motor mount bolt and the need for a washer or two. Additionally, the factory motor mount brackets these replace have mount holes for the clutch hydraulic line. These do not however, a 3 inch split length of a larger diameter hose to protect and a couple of tie straps cures that. Negligible concession considering the benefits. Besides, they look awesome!