Seller notes

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. Type: Intake / Exhaust. Retainer Material: H.T. Steel. replacement valve Lift: 0.415in.. Installed Height: 1.375in.. Seat Pressure: 129#. Open Pressure: 2...

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