Good-Win Racing Mazda Performance Parts

TEIN Flex-Z Coilover Kit (With Upper Mount) FRONT 392 lbs/in, REAR 336 lbs/in.

1990-2005

Miata 1990-2005 · Suspension · Coilovers


Part Number: 61-1747

Application: 1990-2005

Price: $830.00

Quantity:

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TEIN Flex-Z Coilover Kit (With Upper Mount) FRONT 392 lbs/in, REAR 336 lbs/in.
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The Tein FLEX Z coilovers are a new affordably priced, non-rebuildable, version of the popular STREET FLEX coilovers.

The FLEX Z coilovers include:

*392lb (7kg) front springs and 336lb (6kg) rear springs
*Ride height adjustment with separate spring preload settings
*Upper mounts
*16-way damping force adjustment using ADVANCE NEEDLE technology which provides a much wider range of damping force adjustment per click
*EDFC series compatibility
*Proprietary ZT coated damper bodies and 2-layer powdercoating for lower brackets and upper mounts.

Tein was able to bring cost down on the new FLEX Z dampers by making them fully sealed units (non-rebuildable). The biggest benefit to a fully sealed non-rebuildable damper, other than the extremely affordable price, is a maintenance free damper. Although, we strongly recommend periodical inspection of external components such as the seat locks, spring seats, dust boots, and bump stops. Instead of rebuilding the damper, or if a damper fails several years down the line, single replacement dampers can be purchased to minimize downtime.

Sean's Notes:

These are a great option for folks looking for a street oriented coilover with separate ride height adjustments from spring preload. However, while the sealed damper design offers a lower cost, it does prevent any major spring rate changes as the internal valving cannot be altered.

BRIAN'S APPLICATION NOTES: Spring rates relatively close front to rear with this setup and that means most folks will want upgraded FRONT SWAY with this setup for best balance, leaving rear sway stock.
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REVIEWS

After reading many other positive reviews on both the GWR and Miata forums I finally decided to buy this product. My main concern for many months was whether or not I was up to the task of installing the header. But with the excellent instructions on Brian's forum as well as several Miata forum threads it turned out easier than I expected. After receiving notice that the header would arrive on a Friday afternoon, I began the disassembly process. After about 3 hours I had the stock manifold out. Later that afternoon the new catted header arrived right on schedule. And it is a thing of beauty. I opted for the stainless version. Installation on Saturday morning took another 3 hours, although I could have shaved some time off of that but I was actually enjoying the process of double checking torque values and cleaning up my engine compartment. I already have the GWR catted midpipe, so that connection was a snap. I put everything back together, reconnected my battery, and went for a drive. NO CODES! Nice throaty sound with my RSII muffler, and a significant boost in power and low/mid torque. Another happy camper here. I since have added a M-E tune and I feel I have realized all of the gains that Brian has achieved on his 2012 project Miata. I've put several hundred miles on my Miata since the install with zero problems. This is the car that Mazda should have built all along. Thanks Brian.

-- Ron P.

Thanks for making this work and providing great customer service! I had a full weekend with the install, but man was it worth it. The flywheel was such a good choice. I can't believe how much easier rev-matching down shifts are. The ACT is surprisingly easy to live with, even with the engagement point very low. I'll tackle that when it stops raining. Thanks again for making this happen this weekend.

-- Brian H