What is included in the SPRK-MM18S Single Valve Springs Kit for Miata?

The SPRK-MM18S Single Valve Springs Kit includes high-performance valve springs specifically designed for the Miata's BP engine. Each kit contains 16 springs, ensuring you have enough for a complete engine build or maintenance. The 154 lbs rating indicates the spring's seat pressure, which enhances engine performance by allowing higher RPMs without valve float. This is ideal for those planning to modify their Miata for improved speed, track days, or spirited driving.

How do I know if the SPRK-MM18S Single Valve Springs are compatible with my Miata?

The SPRK-MM18S is compatible with specific Miata models that use the BP engine series, primarily the NA and NB models. It’s important to verify your vehicle’s engine code and performance specifications. This ensures that you achieve optimal results when installing the springs, particularly if you are enhancing your engine for racing or performance. If unsure, consulting your vehicle's manual or a professional mechanic can help clarify compatibility.

What benefits do the SPRK-MM18S Single Valve Springs provide?

The main benefits of the SPRK-MM18S Single Valve Springs include improved engine efficiency, higher rev capabilities, and better performance under load. With a strong seat pressure of 154 lbs, these springs help prevent valve float at higher RPMs, allowing for a more consistent power delivery. This is especially beneficial for those who participate in motorsports or require a higher power output for everyday driving, resulting in an enhanced driving experience overall.

Can I install the SPRK-MM18S Single Valve Springs myself?

While it’s possible to install the SPRK-MM18S Single Valve Springs yourself, it requires a solid understanding of engine mechanics and access to appropriate tools. The process involves disassembling the engine's cylinder head and ensuring proper clearance and alignment upon installation. If you're experienced in DIY auto repairs or upgrades, this can be a rewarding project. However, for those less experienced, it may be advisable to consult a professional to ensure proper installation and avoid potential engine damage.

Are the SPRK-MM18S Single Valve Springs suitable for street use?

Yes, the SPRK-MM18S Single Valve Springs are suitable for street use, especially for enthusiasts looking to enhance their Miata's performance. These springs balance performance and drivability, allowing for spirited driving without sacrificing comfort. However, it’s essential to consider any other modifications made to the engine, as heavily modded engines may require additional tuning. A well-rounded approach will ensure both daily usability and performance gains.

What is the performance rating of the SPRK-MM18S Single Valve Springs?

The SPRK-MM18S Single Valve Springs have a performance rating of 154 lbs at the seat. This measurement indicates the amount of force required to compress the springs when the valves are seated, which is critical for preventing valve float at high RPMs. The enhanced rating is designed for engines that need to operate at higher revs while maintaining stability and performance. This makes them an excellent choice for those looking to increase their Miata's horsepower without worrying about valve train reliability.

How do the SPRK-MM18S springs compare to stock valve springs?

Compared to stock valve springs, the SPRK-MM18S springs offer superior performance thanks to their higher seat pressure and enhanced design. This design allows for better control of the valves at higher RPMs, leading to improved acceleration and responsiveness. Stock springs may lead to valve float, limiting your engine’s potential during high-performance scenarios. For enthusiasts or racers, upgrading to these springs could provide the reliability and power boost needed for optimal performance.

What other modifications should I consider alongside the SPRK-MM18S springs?

When installing the SPRK-MM18S springs, you may want to consider additional modifications such as high-performance camshafts, a cold air intake system, or performance chip tuning. These upgrades can complement the enhanced pressure of the spring, maximizing engine output and efficiency. Additionally, ensuring proper engine tuning after modifications is crucial to leveraging the full potential of your Miata's performance upgrades.

What tools do I need to install the SPRK-MM18S Single Valve Springs?

To install the SPRK-MM18S Single Valve Springs, you'll need a variety of tools including a valve spring compressor, socket set, torque wrench, and basic hand tools. It’s also advisable to have a manual or guide for your specific Miata model. Proper tools are essential for safely removing and installing the valve springs without causing damage to the engine components. If you're not comfortable with these tools or the installation process, seeking help from a professional is recommended.

Where can I buy SPRK-MM18S Single Valve Springs Kit Miata BP 154 lbs?

You can purchase the SPRK-MM18S Single Valve Springs Kit Miata BP 154 lbs from Ubuy, which offers a range of automotive and performance parts suited for your needs. Ubuy provides a user-friendly shopping experience, ensuring that customers find what they need for their vehicle modifications. It's a great option for consumers in Canada seeking quality performance parts and reliable service.

SPRK-MM18S Single Valve Springs Kit Miata BP 154 lbs est-il disponible pour effectuer des achats en ligne à Canada ?

Oui, chez Ubuy Canada, ce produit est disponible pour vous à un prix raisonnable.. Le SPRK-MM18S Single Valve Springs Kit Miata BP 154 lbs n'est pas disponible localement mais vous pouvez nous faire confiance avec nos services d'expédition express.

Combien de temps faut-il pour obtenir le produit après avoir passé la commande ?

Le délai de livraison de votre produit commandé varie en fonction de ce que vous avez commandé et de la méthode d'expédition que vous avez choisie.. Le délai de livraison estimé est mentionné lors du processus de commande, alors soyez insouciant lors de vos achats.

Supertech Voir l'original

SPRK-MM18S Single Valve Springs Kit Miata BP 154 lbs

Experience high durability and performance with our complete set of single intake and exhaust valve springs.

Supertech

Numéro d'article: 141761476

SPRK-MM18S Single Valve Springs Kit Miata BP 154 lbs

Numéro d'article: 141761476

CAD 1042

Détails du prix

Hors frais de livraison et de douane ( Les frais de livraison et de douane seront calculés lors du paiement )

^{*Tous les articles seront importés depuis États-Unis}

Disponibilité : En stock

Importé depuis la boutique USA

QTY:

Commandez maintenant et recevez votre commande aux alentours du Mercredi, Octobre 28

Transaction sécurisée

Nos meilleurs partenaires logistiques

Experience high durability and performance with our complete set of single intake and exhaust valve springs.

Garantie U-Care :

Aucun

Sélectionnez un forfait

Achetez maintenant, payez plus tard

Livraison
rapide

Retour
gratuit^*

Emballage sécurisé

Produits 100 % originaux

Conformité PCI DSS

Certifié ISO 27001

Ce qui se démarque

High Performance

Designed specifically for Miata BP engines, these springs enhance performance by providing optimal valve control at high RPMs, ensuring greater stability and efficiency compared to stock options.

Durable Construction

Constructed from high-quality materials, these valve springs withstand extreme pressures and temperatures, offering long-lasting reliability and reducing the need for frequent replacements.

Easy Installation

This kit includes everything needed for straightforward installation, making it accessible for both DIY enthusiasts and professional mechanics looking to upgrade their Miata’s performance swiftly.

Détails du produit

Item Weight

1.5 lbs (680 grams)

À qui est-ce destiné ?

Racing Enthusiasts
Ideal for Miata owners looking to enhance performance during racing with improved valve control and stability.
Performance Tuners
Perfect for tuners aiming to maximize engine performance by reducing valve float and increasing RPM capabilities.
Engine Builders
Suitable for builders focused on creating high-revving engines that require reliable valve spring performance.

Daily Drivers
Not suitable for standard vehicles primarily used for commuting, as stiff springs may impact drivability and comfort.

DESCRIPTION DU PRODUIT

SPRK-MM18S Single Valve Springs Kit Miata BP 154 lbs

Vous avez une question ? Chattez avec nous

Questions et réponses des clients

question: Comment acheter SPRK-MM18S Single Valve Springs Kit Miata BP 154 lbs en ligne sur Ubuy ?

répondre: Il est facile d'acheter SPRK-MM18S Single Valve Springs Kit Miata BP 154 lbs en ligne sur Ubuy.. Il vous suffit de rechercher le produit, de choisir votre mode d'expédition lors du paiement et de le faire livrer à votre emplacement.
question: SPRK-MM18S Single Valve Springs Kit Miata BP 154 lbs est-il disponible pour effectuer des achats en ligne à Canada ?

répondre: Oui, chez Ubuy Canada, ce produit est disponible pour vous à un prix raisonnable.. Le SPRK-MM18S Single Valve Springs Kit Miata BP 154 lbs n'est pas disponible localement mais vous pouvez nous faire confiance avec nos services d'expédition express.
question: Combien de temps faut-il pour obtenir le produit après avoir passé la commande ?

répondre: Le délai de livraison de votre produit commandé varie en fonction de ce que vous avez commandé et de la méthode d'expédition que vous avez choisie.. Le délai de livraison estimé est mentionné lors du processus de commande, alors soyez insouciant lors de vos achats.

Supertech Springs Editorial Review

The SPRK-MM18S Single Valve Springs Kit for Miata BP, weighing just 1.5 lbs, is designed for performance enthusiasts seeking reliability and efficiency in their engine components. This spring kit promises to support greater precision in valve movement, making it an essential upgrade for those looking to enhance the performance of their Miata engine. With a focus on quality materials and engineering, users find that this product significantly contributes to maintaining optimal engine health and performance. It’s tailored for Miata BP models, ensuring a precise fit that meets the needs of passionate drivers.

Avis et évaluations clients

5.0

1 évaluations des clients

5 étoile

100%
4 étoile

0%
3 étoile

0%
2 étoile

0%
1 étoile

0%

Donnez votre avis sur ce produit

Partagez votre avis avec d'autres clients

Avantages

Lightweight design helps improve engine performance
Designed specifically for Miata BP models
Supports optimal valve movement
Enhances overall engine efficiency

Les inconvénients

May require professional installation for best results

CONFIANCE EN LA PLATEFORME & PROTECTION DE L'ACHETEUR

4.2/5 9704 reviews

Lire les avis

Jasmin

Acheteur vérifié

“Great products and very good service: very easy and very fast international delivery.”

9 September 2026 · via Trustpilot

Anke

Acheteur vérifié

“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”

10 September 2026 · via Trustpilot

Hazel

Acheteur vérifié

“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”

10 September 2026 · via Trustpilot

Opaleye

Acheteur vérifié

“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”

11 September 2026 · via Trustpilot

Adele

Acheteur vérifié

“Easy to find and order what you want on the website. Delivery is quick to the UK”

8 September 2026 · via Trustpilot

POURQUOI ACHETER CHEZ NOUS

Paiement sécurisé Global Delivery Retours faciles Genuine Products

Historique des prix du produit

Informations importantes

Limitations : Pour les produits expédiés à l'international, veuillez noter que toute garantie du fabricant peut ne pas être valide ; les options de service du fabricant peuvent ne pas être disponibles ; les manuels, instructions et avertissements de sécurité des produits peuvent ne pas être dans les langues du pays de destination ; les produits (et les matériaux qui les accompagnent) peuvent ne pas être conçus conformément aux normes, spécifications et exigences d'étiquetage du pays de destination ; et les produits peuvent ne pas être conformes à la tension et aux autres normes électriques du pays de destination (nécessitant l'utilisation d'un adaptateur ou d'un convertisseur le cas échéant). Il incombe au destinataire de s'assurer que le produit peut être importé légalement dans le pays de destination. En cas de commande auprès d'Ubuy ou de ses filiales, le destinataire est l'importateur officiel et doit se conformer à toutes les lois et réglementations du pays de destination.
Tous les produits listés sur Ubuy ne sont pas à vendre, Ubuy étant un moteur de recherche mondial. Les produits sont soumis aux réglementations en matière d'exportation et de commerce.

CAD 1042

Commandez maintenant et recevez votre commande aux alentours du Mercredi, Octobre 28

QTY:

Transaction sécurisée

Conforme PCI DSS et certifié ISO 27001:2022, avec des paiements chiffrés et une protection complète de l'acheteur pour chaque commande.

Nos meilleurs partenaires logistiques

Livraison transfrontalière la plus rapide

Caractéristiques et avantages

Includes single intake and exhaust valve springs set.
Features high durability design using Chrome Silicon Vanadium.
Coil bind ensures reliable performance under pressure.
Max net lift capacity of 13.50mm for optimal engine function.
Comes complete with retainers and spring seats.
Computer-designed for precision and enhanced effectiveness.

Assurance Ubuy

Profitez d'une expérience d'achat sereine avec des produits 100 % originaux, une sécurité de paiement conforme PCI DSS, une protection des données certifiée ISO 27001, la livraison transfrontalière la plus rapide, les retours gratuits* et un emballage sécurisé pour chaque commande.

SPRK-MM18S Single Valve Springs Kit Miata BP 154 lbs

CAD 1042

Achetez maintenant, payez plus tard

Livraison rapide

Retour gratuit*

Emballage sécurisé

Produits 100 % originaux

Conformité PCI DSS

Certifié ISO 27001

Ce qui se démarque

Détails du produit

À qui est-ce destiné ?

DESCRIPTION DU PRODUIT

Questions et réponses des clients

Supertech Springs Editorial Review

Avis et évaluations clients

Donnez votre avis sur ce produit

Avantages

Les inconvénients

CONFIANCE EN LA PLATEFORME & PROTECTION DE L'ACHETEUR

POURQUOI ACHETER CHEZ NOUS

Historique des prix du produit

Informations importantes

CAD 1042

Caractéristiques et avantages

Assurance Ubuy

Livraison
rapide

Retour
gratuit^*