cnlsteyn Posted April 9, 2018 Share Posted April 9, 2018 I have a rules question. I have been trying to get some replacement Bilstein shocks for my miata since the end of last year. Mazdaspeed has none and has no idea when they will get some, I have a standing order with Summit Racing for months now with no end in sight. Everyone I call says they have no idea when they will get any. Is there any consideration to moving to a different vendor, Koni or someone else. I am racing on completely useless shocks and no way to fix it. Quote Link to comment Share on other sites More sharing options...
JakeBailey31 Posted April 19, 2018 Share Posted April 19, 2018 Hey man, not sure I can answer on whether or not they are thinking about switching manufacturers but I have a set of fairly new SM Bilstein shocks/springs for sale if you are interested. My email is: [email protected] if you are interested. Thanks Quote Link to comment Share on other sites More sharing options...
Ev Posted May 2, 2018 Share Posted May 2, 2018 Aren’t they rebuidable? Quote Link to comment Share on other sites More sharing options...
surlynkid Posted May 10, 2018 Share Posted May 10, 2018 Rebuilding should not be the only path. If nobody can buy these now, NASA and SCCA need a rules change. Quote Link to comment Share on other sites More sharing options...
Hastarock Posted July 10, 2018 Share Posted July 10, 2018 Bilstein is manufacturing them again. Quote Link to comment Share on other sites More sharing options...
cstreit911 Posted July 12, 2018 Share Posted July 12, 2018 Spoke with Mazda Motorsports yesterday. Bilstein had some "issues" but are shipping in shocks in the next 1-2 weeks. They are getting enough to cover back orders with some left over. Quote Link to comment Share on other sites More sharing options...
Ev Posted August 14, 2018 Share Posted August 14, 2018 Interesting development https://www.mazdamotorsports.com/2018/08/14/spec-miata-suspension-evolving/ Quote Link to comment Share on other sites More sharing options...
1jeffcat Posted September 5, 2018 Share Posted September 5, 2018 Bilstein SM shocks are nothing special. They are the exact same shock that you can buy from bilstein's website for a regular Street Miata. One of the many reasons that they are changing the shock to the Penske shock setup, is because the factory bilstein's are woefully under damped for Spec Miata racing and supply/rebuilds have become more difficult. They were designed as a street shock, and then used for SM, because they are cost effective compared to other alternatives... At least at that time. You can actually buy the same shock, that is improved from the SM bilstein B6, with the bilstein B8, which has a shorter body and is designed for cars,powered cars, which provides more travel without compromising droop with extended top hats. Personally, I run extended top hats still with the B6 shocks. Quote Link to comment Share on other sites More sharing options...
Thunder84 Posted October 15, 2018 Share Posted October 15, 2018 Any alternative to Bilstein SM Shocks? Quote Link to comment Share on other sites More sharing options...
Rick Worth Posted October 15, 2018 Share Posted October 15, 2018 For Spec Miata starting in January they are changing to Penske shock package. Billstiens can still be used but not a racing shock so won't compare to the new Penske's. https://www.nasaproracing.com/news/2018/8/mazda_spec_miata_penske_racing_shocks_upgrade_on_way_to_nasa_and_scca Quote Link to comment Share on other sites More sharing options...
Members Xavier C. Posted October 15, 2018 Members Share Posted October 15, 2018 1 hour ago, Rick Worth said: For Spec Miata starting in January they are changing to Penske shock package. Billstiens can still be used but not a racing shock so won't compare to the new Penske's. https://www.nasaproracing.com/news/2018/8/mazda_spec_miata_penske_racing_shocks_upgrade_on_way_to_nasa_and_scca ^^^Penske's will be mandatory for Championship event. Quote Link to comment Share on other sites More sharing options...
Thunder84 Posted October 18, 2018 Share Posted October 18, 2018 Are Penske's more expensive than Bilsteins? Quote Link to comment Share on other sites More sharing options...
Administrators Roman V. Posted October 18, 2018 Administrators Share Posted October 18, 2018 8 hours ago, Thunder84 said: Are Penske's more expensive than Bilsteins? Yes.About $1050 for the whole package. https://nasaspeed.news/columns/nasa-news/mazda-spec-miata-penske-racing-shocks-upgrade-on-way-to-nasa-and-scca/ Quote Link to comment Share on other sites More sharing options...
Hastarock Posted October 18, 2018 Share Posted October 18, 2018 1 hour ago, Roman V. said: Yes.About $1050 for the whole package. https://nasaspeed.news/columns/nasa-news/mazda-spec-miata-penske-racing-shocks-upgrade-on-way-to-nasa-and-scca/ Sorry, but what constitutes "the whole package"? Quote Link to comment Share on other sites More sharing options...
Administrators Roman V. Posted October 18, 2018 Administrators Share Posted October 18, 2018 1 minute ago, Hastarock said: Sorry, but what constitutes "the whole package"? The new shock price will be set at $198.74 apiece, with the complete upper mount/bump stop kit retailing at $249.90. Parts will be available exclusively through Mazda Motorsports with a total cost for conversion; including four shocks, top mount, bump stops and lower spherical mounts for less than $1,050. Unlike the current Spec Miata shock, the Penske will be tamper-proof, and rebuildable through Penske at $100/shock. Quote Link to comment Share on other sites More sharing options...
Hastarock Posted October 18, 2018 Share Posted October 18, 2018 Nice response. Thanks! Quote Link to comment Share on other sites More sharing options...
Rick Worth Posted October 29, 2018 Share Posted October 29, 2018 You must have the springs and collars off your current SM shocks though. Quote Link to comment Share on other sites More sharing options...
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