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The Manley titanium exhaust valve kit for Big Block GM includes eight one-piece forged valves with a 1.840" head diameter, 0.3415" stem and 5.440" overall length; this version notes a bead loc/groove. CNC-machined and precision-ground, the lightweight titanium construction reduces valvetrain mass, suits extreme RPM applications and is subjected to rigorous inspection for consistent sealing and strength.
Manley Titanium Exhaust Valve Kit - Big Block General Motors
