9/16-18 THREADED

For 32-68T ratio

Comes with 2 cylinder head and 2 cylinder base gaskets to service one engine

Transmission trapdoor bearing on mainshaft & countershaft

67-80 XL Sportster

MANLEY, SEVERE DUTY STAINLESS VALVE, EXHAUST. STD Riser och tillbehör 9/16-18 THREADEDStandard size replacement. Dimensions: 1. 75" head dia. x . 3745" 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.