Exhaust Valve. Fits Sportster 1957-1985. OEM Replacement.

$56 $50.40

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* Stock length & head diameter – 900 & 1000cc Ironhead Models

* Extreme Duty

* High Flow

* one piece forged racing grade stainless steel alloy.

* Liquid nitriding process creates a valve that is smoother and stronger than O.E.M.

* Stems are centerless ground for a longer life

* 45o angle below the lock groove to facilitate the valve seal installation

* Replaces OEM # 18033-80

Head Dia = 1.562in.

OAL = 3.510in.

Stem Dia = 0.3389in.

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