Kibblewhite Valve Spring Kit for Yamaha, 0.395 in Intake Lift and 0.370 in Exhaust Lift, Lightweight Racing (80-81400)

The Kibblewhite Valve Spring Kit, Part 80-81400, is designed for Yamaha performance and racing applications requiring dependable valve-train control. This lightweight racing kit is engineered for use with both standard and oversized valves, helping support consistent operation across demanding engine conditions. It includes matched valve springs and titanium upper collars for one complete engine.
Lower collars are included when required by the application, helping simplify installation and ensure proper component compatibility. The kit is designed around a 0.395 in intake lift and 0.370 in exhaust lift, making it a practical choice for performance engine builds where precise valve spring selection is essential. Kibblewhite components are manufactured with attention to fit, performance, and durability for serious engine work.
This Kibblewhite kit is supplied for one motor and is made in the USA. Keepers are not included, so verify the existing hardware or select compatible keepers separately before installation. Confirm valve, retainer, collar, and cylinder head compatibility with the application to ensure correct setup and reliable performance.

Features:

• Brand: Kibblewhite

• Part Number: 80-81400

• Application: Yamaha performance and racing engines

• Intake Lift: 0.395 in

• Exhaust Lift: 0.370 in

• Kit Contents: Springs and titanium upper collars

• Lower Collars: Included as required

• Valve Compatibility: Engineered for standard and oversized valves

• Quantity: Complete kit for one motor

• Keepers: Not included

• Origin: Made in the USA

Ships from Parts Unlimited.