What is the advantage of a conical valve spring design?

Conical springs offer several advantages, including a smaller diameter at the spring seat which can reduce mass and potential interference. They also help manage harmonics, reducing the risk of spring surge at high RPMs, leading to more reliable valve operation.

What material are these Supertech valve springs made from?

These valve springs are made from high-tensile chrome silicon wire. This material is chosen for its excellent strength and durability, making it suitable for demanding engine applications.

What other components might I need when installing this spring kit?

When upgrading valve springs, it's often recommended to also consider compatible camshafts, retainers, and valve seals. Always refer to the manufacturer's installation instructions and consult with a professional to ensure all necessary components are addressed for a safe and effective build.

Supertech Conical Spring Kit SPRK-B58B-2

Name: Supertech Toyota Supra (A90)/BMW B58B Conical Spring Kit
Brand: Supertech
SKU: supertech-supertech-toyota-supra-a90-bmw-b58b-conical-spring-kit-t14-325380
Price: 972.87 USD
Availability: BackOrder

Supertech Toyota Supra (A90)/BMW B58B Conical Spring Kit

$972.87

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Supertech Conical Spring Kit for Toyota Supra (A90)/BMW B58B engines.

Key Features

Fits Toyota Supra (A90) and BMW B58B engines.
Conical spring design helps manage harmonics and reduce mass.
Constructed from high-tensile chrome silicon wire for strength and durability.
Designed for engines modified with higher performance camshafts or increased RPM limits.
Ensures reliable valve closure at higher engine speeds.

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Product Details

If you're looking to get more out of your Toyota Supra (A90) or BMW B58B engine, especially if you're planning on higher performance camshafts or increased RPM limits, a stronger valve spring setup is a critical component. This conical spring kit from Supertech is designed to handle the demands of a modified engine, ensuring your valves close reliably at higher engine speeds and under increased pressure.

Supertech uses high-tensile chrome silicon wire for these springs, which is known for its strength and durability. The conical shape is a smart design choice; it allows for a smaller outer diameter at the spring seat, which can help reduce mass and potential interference with other components. This design also helps to manage harmonics, reducing the risk of spring surge at high RPMs. This kit includes the necessary springs to replace the stock ones, giving you a well-built foundation for your engine's valvetrain upgrades. Proper installation is key, and it's important to ensure your camshafts and retainers are compatible with these springs to achieve the best results and avoid damage.

When undertaking valvetrain modifications, it's always a good idea to consult with a professional or refer to detailed service manuals for the correct installation procedures. This includes checking valve-to-piston clearance and ensuring all components are properly seated. This kit is a solid option for enthusiasts looking to push their B58 engine's performance envelope safely.