Improved Engine Performance: Engine can run smoother and more efficiently, resulting in improved power and torque. Increased Reliability: Balance shafts can be prone to failure, especially in high-performance applications. By replacing them with a balance shaft eliminator kit, you can the risk of balance shaft failure and potential engine damage, resulting in increased reliability and peace of mind. Function: The main function is to reduce engine weight and reduce friction to improve engine performance and responsiveness. This kit increases engine speed and acceleration, making the engine more agile and responsive, as well as improving engine reliability and durability, as the balance shaft is a potential point of failure. Replacement for: Replacement for H22A4 F22A F22B1 H23 Vtec 1320. Construction: The balance shaft eliminator kit is made from premium-quality materials to durability and . It is designed to withstand the rigors of high-performance driving and provide reliable performance for years to come. Color:Black Material:Aluminum Alloy Package Contents: 1 x Balance Shaft Eliminator Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.