Kibblewhite KPMI Racing Spring Kit for Yamaha YXZ1000R – 0.445 Inch Lift

• High Performance Spring Kit
• H.T. Tool Steel Retainers
• Your Titanium Retainer Alternative

KPMI® performance valve spring kits are modeled using cam profile and simulation software. By utilizing Finite Element Analysis (FEA) software, it was possible to take advantage of the increased strength and wear resistance of a heat treated steel retainer, while reducing its mass to within grams of a comparable titanium retainer.

The Kibblewhite KPMI Racing Spring Kit (Part Number 80-81700) is designed to enhance performance for Yamaha YXZ1000R models. This comprehensive kit includes high-quality springs crafted from durable steel, engineered to deliver reliable lift and improved engine response. The springs are optimized for a lift height of approximately 0.445 inches, providing increased valve clearance for high-performance applications. Ideal for racers and enthusiasts seeking to maximize engine output, this kit ensures precise spring tension and longevity under demanding conditions.
Each component in the kit is manufactured with strict quality standards, ensuring consistent performance and durability. The springs are compatible with existing valve train components, making installation straightforward and efficient. Whether upgrading a stock vehicle or building a custom setup, the Kibblewhite KPMI Racing Spring Kit offers a reliable solution to achieve better airflow and power gains. Designed with precision and performance in mind, this kit is a valuable addition to any Yamaha YXZ1000R engine build or upgrade project.

Features:

• High-quality steel construction for durability and reliability

• Designed for Yamaha YXZ1000R with a lift height of approximately 0.445 inches

• Optimized for high-performance applications and racing use

• Includes all necessary springs for a complete upgrade

• Easy to install with existing valve train components