Manley, Severe Duty stainless valve, intake. STD, Polished
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Description
Standard size replacement. Dimensions: 1.85" head dia. x .310" stem dia. Standard overall length. Severe Duty valves. Proven quality over many years. Manufactured from high temperature stainless alloy to a perfect finish. Manley valves feature swirl polished, performance orientated shapes and durable chrome plated stems. Up to 30% weight reduction over stock components. Manley's 'Severe Duty' valves insure a stable valve train, even at high R.P.M.'s.
Note: Evo Big Twin intake valves are identical to 99-04 Twin Cam valves. Evo exhaust valves are 1.615", Twin Cam 1.565" in diameter. Length is identical. 1.615" valves can be installed on stock seats of Twin Cam models, after valve seat machining. Information supplied by Manley Performance Products, Inc.
