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Hot Sale Btr: Dual Spring Kit - .685" Lift - Sk702/6560/bb Series [UF1b2J8H]

$65.99 $211.99 -69%

BTR DUAL SPRING KIT - .685" LIFT - SK702/6560/BB Looking to take your engine's performance to new heights? Introducing the BTR Dual Spring Kit, designed for those who want to exceed the standard limits. This kit is perfect for engines with radical ca

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BTR DUAL SPRING KIT - .685" LIFT - SK702/6560/BB

Looking to take your engine's performance to new heights? Introducing the BTR Dual Spring Kit, designed for those who want to exceed the standard limits. This kit is perfect for engines with radical camshafts, offering a .685" lift that surpasses the .660" limit of our popular Platinum Spring Kit. With its high spring rate and titanium retainers, the BTR Dual Spring Kit ensures exceptional valvetrain stability.

Key Features and Specifications

This premium kit includes a comprehensive set of components to optimize your engine's performance. Key features and specifications are as follows:
  • High Spring Rate – Ensures stability with radical camshafts.
  • Titanium Retainers – Provides durable support and reduces friction.
  • Bronze or Stock/Powder Metal Guides – Offers flexibility in choosing the right guide for your engine.
  • VS LS KIT – Includes the necessary components for a seamless installation.
  • Valve Spring Specs – With a max lift of .685", this kit is designed for extreme performance.
The kit is not compatible with LS9 engines, making it a perfect fit for Gen III/Gen IV LS engines.

Benefits and Practical Uses

By investing in the BTR Dual Spring Kit, you gain a host of benefits. This kit is ideal for applications that demand high-performance and stability, such as racing or off-road scenarios. The titanium retainers not only improve the engine's overall longevity but also contribute to its superior power output. With its precise spring specifications, the BTR Dual Spring Kit ensures a smooth and efficient engine operation, giving you the competitive edge you need. Don't settle for standard performance – elevate your engine with the BTR Dual Spring Kit.

What Our Customers Say

January 2, 2026

Absolutely no complaints!

This is a great quality item.

- Christie G..

January 2, 2026

Absolutely no complaints!

A wonderful addition.

- Katherine T..

January 2, 2026

Absolutely no complaints!

Very happy with this. Good value.

- Elsie T..

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