Intake Valve Seat. Fits Big Twin 1966-1984.
$14.00 RRP (inc GST)
* Easy oversize identification by the part number
* Easy to machine with cutter and stone
* Resists severe pounding and dissipates heat better
* Work-hardens during running-in
* Radiused for easier installation
* Replaces OEM # 18018-66
* Replaces OEM # 18056-66B
OD = 1.944in.
ID = 1.570in.
Thickness = .400in.
MFR PART No: AV-2135
ROLLIES PART No: AV-2135