AV&V AV-1610D High Flow Exhaust Valve Black Nitride for Harley-Davidson Evolution Big Twin 84-99
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AV&V AV-1610D High Flow Exhaust Valve Black Nitride for Harley-Davidson Evolution Big Twin 84-99 is backordered and will ship as soon as it is back in stock.
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* One piece forged racing grade stainless steel alloy.
* hard black nitride finish.
* bearing quality hardened tip at the end of the stem to prevent premature wear with high-lift applications.
* 45o angle below the lock groove to facilitate the valve seal installation.
* Heat treated with a special process.
* stem is centerless ground for longer life.
* Dished Valve
Head Dia = 1.610in.
OAL = 4.525in.
Stem Dia = 0.3106in.
(Part Numbers: ROL-AV-1610D)