Exhaust Valve. Fits Twin Cam 1999-2004. High Flow.

Product Details







* 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

ROLLIES PART No: AV-1570