Oversize Intake Valve. Fits Big Twin 1984-2004. High Flow Oversize Valve.

* Highest flow level on the market.

* 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.

Head Dia = 1.940"

OAL = 4.440"

Stem Dia = 0.3108"

Tech Tips:-

If Used in Stock Heads Larger Seats Must be Installed.

MFR PART No: AV-1940

ROLLIES PART No: AV-1940