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Cusco Street Zero-A Coilover Kit Mazda RX-7 1986-1991 - 420 61N CN
Cusco Street Zero-A Coilover Kit Mazda RX-7 1986-1991 - 420 61N CN - Image 3 Cusco Street Zero-A Coilover Kit Mazda RX-7 1986-1991 - 420 61N CN - Image 2 Cusco Street Zero-A Coilover Kit Mazda RX-7 1986-1991 - 420 61N CN - Image 3

CUSCO USA 420 61N CN Suspension Kit

Elevate your driving experience with the CUSCO USA 420 61N CN Suspension Kit, meticulously engineered to take your Mazda RX-7 FC3C/FC3S (1986-1991) to the next level. With this suspension upgrade, you'll notice a significant improvement over factory components, providing enhanced handling, stability, and comfort on the road.

Why Choose CUSCO Suspension?

CUSCO USA, a trusted name in automotive performance, operates from its headquarters in Huntington Beach, California. The company is dedicated to quality and innovation, ensuring that every product meets the highest standards. The 420 61N CN Suspension Kit is no exception, designed to deliver superior performance and durability.

Key Features

  • Coilover Type: Street Zero A
  • Damper Adjustment: 40-Way Adjustable for both front and rear
  • Shock Absorber Type: Twin Tube for optimal performance
  • Ride Height Adjustment: Full-length adjustable for front and rear
  • Upper Mount: Pillow/Adjustable for the front; Rubber/Rigid for the rear
  • Default Low-Down Set-up: -30mm front and rear
  • Ride Height Set-up Range:
    • Front: -55mm to 0mm
    • Rear: -40mm to 0mm
  • Spring Rate:
    • Front: 7 Kgf/mm (options: 6/8/9)
    • Rear: 6 Kgf/mm (options: 5/7/8)

Fitment

This suspension kit is specifically designed for:

  • Mazda RX-7 FC3C/FC3S (1986-1991)

Customer Feedback

Many customers have shared their positive experiences with the CUSCO 420 61N CN Suspension Kit. One customer noted, "After installing the CUSCO suspension, my RX-7 feels like a completely different car. The handling is precise, and I can take corners with confidence. Adjusting the ride height was a breeze, and I love how I can customize the dampening settings." Another user mentioned, "The comfort level improved significantly, making daily driving enjoyable while still being sporty on the weekends."

Important Note

Images are for representation only. Actual product may vary.

Other Part Numbers:
Cusco #cus420 61N CN

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Cusco Banner

Who is Cusco?

Cusco is an independent aftermarket company in Japan specializing in manufacturing high-performance parts such as drivetrain components, suspension, chassis bars, including strut towers, engine parts, roll cages, and more. 

They are widely known in the automotive industry and have participated in various race series within and outside Japan. 

Today, they have become the go-to brand of aftermarket tuners all around the globe.

Racing Background

Cusco has created many racing vehicles for different racing disciplines, such as rallying, track racing, autocross, time attack events, and gymkhana. 

With a history of producing the best race cars in its class, they have used that knowledge and have translated it to all their products creating the best performing and safest parts out there.

Improves Driving Experience

Cusco's goal is to improve each car's potential to provide the driver with the best experience possible. It helps the car provide better feedback to the driver, which helps the driver create better judgment and confidence to trust their vehicle. 

Inhouse Manufacturing Process

Cusco maintains its high-quality standard by doing their parts inhouse. From design to manufacturing, they have created a dedicated facility that would help them ensure that it passes their strict requirements, providing the clients with the best products they deserve. The company is also ISO 9001 certified, meaning all of its processes have passed the standard requirement of the regulatory commission.

Struts and Roll cages

Cusco has been very popular when it comes to chassis stiffeners and roll cages. They create one of the best roll cages that comply with the racing body's standards. Their design helps improve chassis stiffness and rigidity, making it handle better and helps protect the driver in case of an accident. It is intended to save dozens of lives on the race track and in the streets. 

Purchase Cusco Parts at Vivid Racing

Cusco has been supplying parts for almost a decade among thousands of enthusiasts worldwide. With its track record of providing parts that outperform the competition, they are a brand that anyone can count on. Visit Vivid Racing and check out the list of Cusco products specific to your needs.

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Things
Sale price None
Wholesale price $1,321.60
Shipping Weight: 45.00
Length: 48
Width: 13
Height: 6
Product Added At Wednesday 15 November, 2023
Product Modified At Friday 11 July, 2025
Imported By ETLOverride
Last Edited By Turn_API
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Emissions Info
Carb Approved -
Carb Number -
Epa Status N/A
Prop65 Unknown
Carb Required -
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Vendor Inv Cost Retail Jobber MAP Core Updated
Turn 14 $1,120.00 $1,600.00 ? $1,440.00 ? 2025-07-11 10:13:48


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