What is the primary benefit of a dual spring kit over a single spring kit?

Dual spring kits, like this one from Supertech, offer improved stability and control over valve motion, especially at higher engine speeds. The nested spring design helps to mitigate harmonic issues and prevent valve float more effectively than single springs under demanding conditions.

What specific components are included in the Supertech SPRK-EC3025D-FZR-RIVA kit?

This kit includes the dual valve springs and any associated retainers or locators that Supertech specifies for the Yamaha FZR-1800 application. Always refer to the manufacturer's included parts list for exact contents.

When is it recommended to upgrade valve springs on a Yamaha FZR-1800?

Upgrading valve springs is typically recommended when you are significantly increasing engine performance. This includes modifications like installing performance camshafts, increasing boost pressure, or aiming for higher engine RPM limits where stock springs may not be sufficient.

Supertech Yamaha FZR-1800 Dual Spring Kit SPRK-EC3025D-FZR-R

Name: Supertech Yamaha FZR-1800 Dual Spring Kit
Brand: Supertech
SKU: supertech-supertech-yamaha-fzr-1800-dual-spring-kit-t14-711781
Price: 572.54 USD
Availability: BackOrder

Supertech Yamaha FZR-1800 Dual Spring Kit

$572.54

On Backorder

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

Supertech Yamaha FZR-1800 Dual Spring Kit

Key Features

Fits Yamaha FZR-1800.
Dual spring design for improved valve control at high RPM.
Constructed from strong materials to withstand engine stress.
Helps prevent valve float in modified engines.
Includes springs and retainers as specified by Supertech.

Secure CheckoutFast Shipping631-982-0042

Product Details

If you're looking to get the most out of your Yamaha FZR-1800's engine, especially when pushing it beyond stock performance levels, a robust valve spring kit is essential. This dual spring kit from Supertech is designed to handle the increased demands of a modified engine, ensuring your valves close reliably at higher RPMs and under greater stress. It's a key component for anyone rebuilding or significantly upgrading their FZR-1800's top end.

Supertech is known for making well-built engine components, and this dual spring kit is no exception. It utilizes a dual spring design, meaning there are two springs nested together for each valve. This setup offers improved stability and control over valve motion, especially at high engine speeds where single springs can struggle with harmonics and float. The kit is made from strong materials designed to withstand the constant, high-frequency movement and heat generated within the engine. This attention to material and design helps prevent valve float, which can lead to serious engine damage if not addressed.

This kit includes the dual springs and any necessary retainers or locators specified by Supertech for this application. It's important to consult the manufacturer's installation instructions for precise details on what's included and the proper procedure for installation. Upgrading your valve springs is a critical step when increasing boost, modifying the camshafts, or aiming for higher redlines, and this Supertech kit offers a solid option for achieving those goals with confidence.