Fully assembled coilovers with your choice of spring rate, ready to bolt on and go. Featuring either Koni 8610 single adjustable inserts (rebound adjustable only), or 8611 double adjustable inserts (compression and rebound independently adjustable). Also includes:

• Choice of spring rate plus helper springs
• Roller-bearing front spring perches / solid rear spring perches
• Wilhelm Raceworks Coilover Top Mounts

For the price, you will be hard-pressed to find a better suspension setup for your MR2 Spyder.

IMPORTANT: I do not build these every day, and do not stock many of the parts. The coilover housings are typically built and powder coated to order. Typical build time is 6-8 weeks.

Housings

The housings are custom built from the ground up with .083 wall DOM tube, laser cut brackets and tabs, TIG welded, and finished with black powder coat. Wilhelm Raceworks coilover housings are designed around the Koni Race line of strut inserts. Standard insert part numbers are shown below:

Spring Rates

Spring rates should be tailored to your intended use. Softer rates of course provide a better ride, assuming enough travel to avoid bottoming out on bumps. Stiffer rates reduce body roll, and allow for lower ride heights without bottoming out. For a street MR2 I would suggest rates in the range of 200 / 300lb/in (front/rear), up to about 350 / 450 , paired with your choice of sway bar(s). A front bar only might be sufficient, depending on your goals and preferences. For comparison purposes, those rates in kg/mm (k) are approximately equal to 3.5k / 5.4k, and 6.25k / 8k. For slightly softer ride the front rates can be reduced some relative to the rear rates, but more front sway bar stiffness will likely be required to balance the handling.

For a more track oriented (or track only) car, higher rates are appropriate.

More information on spring rates and their relationship to shock valving can be found on my shock dyno blog post. Please contact me if you wish to discuss spring rate choice for your application.