Kibblewhite Precision Complete Valve Spring Kit .415" Lift 20-20430 - High Performance Engine Upgrade for Motorcycles & ATVs - Perfect for Racing, Off-Road & Custom Builds

Type: Intake / Exhaust. Retainer Material: H.T. Steel. replacement valve Lift: 0.415in. Installed Height: 1.375in. Seat Pressure: 129#. Open Pressure: 272#. @ Lift: 0.415in. Note: All components are the quality you can expect from Kibblewhite, manufactured to exact Factory specifications. These Factory replacements parts may be purchased separately. The basewasher is counterbored to fit a 0.665in. outside diameter seal.. Designed for maximum performance. Feature interference-wound, double-chrome silicone springs; heat-treated steel base washers. Available in a complete set for one engine. Include steel retainers. Made in the USA. Require machining of replacement valve guides for special seals. NOTE: May require R-Style valves to achieve correct install height.1948-1950 fits H-D E 1948-1952 fits H-D EL 1948-1950 fits H-D F 1948-1964 fits H-D FL 1953-1964 fits H-D FLF 1965 fits H-D FLFB Electra Glide 1958-1964 fits H-D FLH Duo-Glide 1955-1957 fits H-D FLH Hydra-Glide 1965 fits H-D FLHB Electra Glide 1955-1964 fits H-D FLHF 1965 fits H-D FLHFB Electra Glide

Designed for maximum performance

Feature interference-wound, double-chrome silicone springs; heat-treated steel base washers

Available in a complete set for one engine

Include steel retainers

Made in the USA