Valve Int; XL'86-03 883>1200

* 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 = 1.720in.

OAL = 4.560in.

Stem Dia = 0.3108i n.

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Fitment Note: Seats must be machined deeper and their I.D. must be enlarged to accept these valves.

*** AV-1720 can be used on XLin.04 up but will require additional purchase of XL’86-03 5/16in. valve guides and Valve spring kit.