Which cars do the Street Zero Pillowball Coilovers for ND5RC fit?

Cusco USA lists part number 429 61P CP for the Mazda MX-5 Miata (ND5RC, 2016-2018). The Street Zero Pillowball Coilovers for ND5RC kit comes with 6 kg/mm front and 3.5 kg/mm rear springs, so check the notes on this page for any model or year limits before ordering.

Can the damping be adjusted?

No. On the Street Zero the damping is fixed by Cusco for this car, which keeps the kit simple for a road car. Ride height is still fully adjustable on the threaded bodies. Owners who want to tune damping themselves should look at the Street Zero A, which adds a 40-step adjuster and works with the optional eCON2 controller.

How much lower will the car sit?

Cusco lists a low-down setup of -40 mm front and -40 mm rear against stock, and a height adjustable range of -108 to 0 mm front and -76 to 0 mm rear. The final height depends on the car and the setup chosen, and an alignment is needed after any change, because camber and toe move with ride height.

Can the spring rates be changed?

Yes. The kit comes with 6 kg/mm front and 3.5 kg/mm rear springs, and Cusco lists optional rates of 5/7/8/9 kg/mm front and 3/4/5/6 kg/mm rear for this application. Stiffer springs suit a car on stickier tires; the standard rates suit most road and HPDE cars.

Can the dampers be rebuilt?

Yes. Cusco lists the Street Zero Pillowball Coilovers for ND5RC as overhaulable, so the dampers can be serviced to restore their original damping rather than replaced. How often depends on use; a car that sees regular track days will need it sooner than a road car, and a rebuild is a good time to revalve if the setup has changed.

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Description

Cusco Street Zero Pillowball Coilovers for ND5RC Mazda MX-5 Miata

Cusco’s Street Zero Pillowball Coilovers for ND5RC Mazda MX-5 Miata are Cusco’s Street Zero line: twin-tube dampers of Cusco’s New Quiet design on full-length adjustable bodies, with damping set at the factory. Springs are 6 kg/mm front and 3.5 kg/mm rear. Cusco rates the Street Zero for street driving and HPDE days, so it suits a car that is driven on the road and wants a lower, better-controlled stance without fiddling with damper settings. Drivers who want to adjust damping themselves should look at the Street Zero A.

Design and Performance

A twin-tube damper keeps a large oil volume around the working cylinder, which helps ride comfort and keeps the damper quiet on broken roads. The bodies are threaded along their full length, so ride height is set at the lower mount while spring preload and damper stroke stay where they were, letting the kit go lower without giving up bump travel. Damping is set by Cusco for the car rather than adjusted by the owner.

Features

Damping set by Cusco, fixed damping
Twin-tube dampers of Cusco’s New Quiet design
Full-length adjustable bodies for ride height
6 kg/mm front and 3.5 kg/mm rear springs
Upper mounts: pillowball, fixed front, pillowball, fixed rear

Specifications

Cusco part number: 429 61P CP
Series: Street Zero
Damper type: Twin tube, New Quiet type
Damping adjustment, front: Fixed Damper Rate
Damping adjustment, rear: Fixed Damper Rate
Height adjustment: Full-length Adjustable
Spring rate, front: 6 kg/mm (approx. 336 lb/in)
Spring rate, rear: 3.5 kg/mm (approx. 196 lb/in)
Optional spring rates: front 5/7/8/9, rear 3/4/5/6 kg/mm
Height adjustable range: front -108 to 0 mm, rear -76 to 0 mm
Cusco low-down setup: -40 mm front, -40 mm rear
Upper mounts: pillowball, fixed front, pillowball, fixed rear
Overhaul: Serviceable by Cusco

Applications

Mazda MX-5 Miata: ND5RC | 2016-2018

Notes

A wheel alignment is needed after fitting the Street Zero Pillowball Coilovers for ND5RC and after any ride height change

Frequently Asked Questions

Which cars do the Street Zero Pillowball Coilovers for ND5RC fit? Cusco USA lists part number 429 61P CP for the Mazda MX-5 Miata (ND5RC, 2016-2018). The Street Zero Pillowball Coilovers for ND5RC kit comes with 6 kg/mm front and 3.5 kg/mm rear springs, so check the notes on this page for any model or year limits before ordering.
Can the damping be adjusted? No. On the Street Zero the damping is fixed by Cusco for this car, which keeps the kit simple for a road car. Ride height is still fully adjustable on the threaded bodies. Owners who want to tune damping themselves should look at the Street Zero A, which adds a 40-step adjuster and works with the optional eCON2 controller.
How much lower will the car sit? Cusco lists a low-down setup of -40 mm front and -40 mm rear against stock, and a height adjustable range of -108 to 0 mm front and -76 to 0 mm rear. The final height depends on the car and the setup chosen, and an alignment is needed after any change, because camber and toe move with ride height.
Can the spring rates be changed? Yes. The kit comes with 6 kg/mm front and 3.5 kg/mm rear springs, and Cusco lists optional rates of 5/7/8/9 kg/mm front and 3/4/5/6 kg/mm rear for this application. Stiffer springs suit a car on stickier tires; the standard rates suit most road and HPDE cars.
Can the dampers be rebuilt? Yes. Cusco lists the Street Zero Pillowball Coilovers for ND5RC as overhaulable, so the dampers can be serviced to restore their original damping rather than replaced. How often depends on use; a car that sees regular track days will need it sooner than a road car, and a rebuild is a good time to revalve if the setup has changed.

About CUSCO

CUSCO is the brand of Carrosser Co., Ltd., founded in December 1977 and based in Takasaki, Gunma Prefecture, Japan. Carrosser designs and builds coilovers, limited-slip differentials, clutches, roll cages and chassis parts, sells its steel cages under the Safety 21 name, and competes in every All Japan Championship category from circuit racing to rally and gymkhana. CUSCO USA, a division of Carrosser, is based in Huntington Beach, California.

Additional Information

The Bulletproof Automotive website contains many thousands of products purchased in multiple different currencies. All of the prices are entered manually and accurately at the time of entry. Due to the consistently fluctuating international exchange rates, at times prices may not be able to be honored at their original intended rate. We apologize for any inconvenience this may cause, unfortunately our website is unable to compensate dynamically for what can at times be volatile changes in the cost of items due to currency values fluctuating, changes in prices from suppliers, changes in shipping and import duties, and other factors. Rest assured that any order you place on line will be at zero risk to you in this area. If in the event your order cannot be fulfilled at the original intended website price we will offer you a 100% refund, no questions asked. We will continue to do our best to maintain updated prices and we will always continue to offer our price match guarantees as well to ensure our prices are always the best for you. In short, prices may change without notice. It is always advised to give us a call prior to placing your order online to confirm availability and to confirm current pricing.

Shipping Policy

Items that are in stock in the US, either at Bulletproof’s warehouse or at a supplier’s warehouse, are generally delivered within 7-10 days. Special order items from overseas take considerably longer. As a courtesy Bulletproof offers delivery estimates to our customers which take into consideration manufacturer availability and shipping schedule. These estimates represent our best guess based on previous orders from the manufacturer and do not in any way imply a guaranteed delivery window. Many manufacturers work in a “just in time” inventory system and often take 2-20+ weeks to produce an item once an order is submitted. All deliverable items are then sent to our Japanese warehouse. Bulletproof ships a minimum of one full ocean freight container every month from Japan, oftentimes more than one a month. Ocean freight takes an average of 4 weeks. Typically it breaks down to one week in Japan for paperwork and customs, two weeks by boat and one week in US customs/clearance. Due to the wide number of variables between manufacturer and shipping schedules, delivery estimates are simply just that – estimates. We attempt to estimate conservatively and we usually deliver faster than our estimates suggest. It is not Bulletproof’s policy to guarantee delivery time of any special order item, this is impossible for us to do. By ordering you acknowledge that there is no required delivery ETA and an order may not be canceled or altered due to manufacturing or shipping delays, all ETA’s are provided as a best guess only. Please review the full Terms & Conditions here.

BP Pricing Difference

We do pricing a little differently on our JDM brands and we believe in making things simple and clear. No hidden fees or surcharges. Every price you see includes the shipping cost to our office in Los Angeles, California and all the associated taxes/duties/fees for bringing the products into the US. The only shipping you ever pay is from our facility in the US to your location. Be wary of resellers that don’t include the cost of international shipping in their pricing on JDM parts. While we believe we’ll always have the lowest all-in price on JDM products, we offer a price match guarantee for all authentic parts purchased from authorized dealers as well. For many international customers, it’s much more affordable to ship from the USA than from Japan directly, as the air freight and ocean freight costs are typically much less. However, for customers looking to ship directly from Japan outside of North America, or domestically in Japan, we can provide pricing specifically for that scenario. Please do not hesitate to contact us with any pricing questions or concerns. Please email us at sales@bulletproofautomotive.com with any inquiries.

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Cusco Street Zero Pillowball Coilovers for ND5RC Mazda MX-5 Miata [429 61P CP]

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Cusco Street Zero Pillowball Coilovers for ND5RC Mazda MX-5 Miata

Design and Performance

Features

Specifications

Applications

Notes

Frequently Asked Questions

About CUSCO

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