VALVE SPRING SET HUSQ 91-00, KIBBLEWHITE 93-93020 350/410, HUSQVARNA LIGHTWEIGHT

This high-performance lightweight racing valve spring kit is engineered for Husqvarna® 350 and 410 models from 1991 to 2000. Designed for high-revving four-stroke engines, the kit includes chrome silicon springs, titanium retainers, and high-tensile steel lower collars. With a maximum valve lift capacity of 0.450″, the kit delivers consistent pressure and durability under extreme operating conditions, making it suitable for racing and performance use.

Features

• Lightweight racing valve spring kit for high-performance applications

• Chrome silicon valve springs for high fatigue resistance

• Titanium retainers for reduced valvetrain mass

• High-tensile steel lower collars

• Designed for high-revving four-stroke engines

• Optimised for cam profiles, harmonics, and system stress parameters

• Engineered to outperform and outlast OEM components

Specifications

• Maximum Valve Lift: 0.450″

• Seat Pressure: 350#

• Open Pressure: 190# @ 0.400″ lift

Cross-Reference OEM Part Numbers

• Kibblewhite Part No. 93-93020

Vehicle Fitments

• Husqvarna 350 1991–2000

• Husqvarna 410 1991–2000