* 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 = 1.570″
OAL = 4.525″
Stem Dia = 0.31 06″
MFR PART No: AV-1570
REVELRY PART No: AV-1570
