Good-Win Racing Mazda Performance Parts

GWR 58 Red/ 58 White Stock Class Bump Stop Kit

1999-2005

For All Shocks

Miata 1990-2005 · Suspension · Shocks


Part Number: 61-0793NB

Application: 1999-2005

Price: $76.00

Quantity:

GWR 58 Red/ 58 White Stock Class Bump Stop Kit
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For stock class you can't change springs....but can use longer bumps that are giving you an effective rate increase. These are suggested as part of a complete stock class autocross package that includes our Racing Beat tubular front bar, blocks and bolts to reinforce the mounts, and our adjustable KONI SPORT shocks. Same part also works for our customers with Bilstein, KYB and Tokico shocks. Includes four (4) bump stops only. The 1999-2005 does not require spacers or washers. Listed in the order used on the car, 58 Red is Front, 58mm White is Rear.

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REVIEWS

I wanted to thank you for the excellent customer support,the smooth transaction, and the quick delivery of my Enkei RPF1 16x8 wheels. I would recommend your company to anyone interested in good old fashion great customer service. Thanks again and look forward to doing business with you again in the future.

-- Jack

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.