Intake Valve Seat. Fits Big Twin 1966-1984. - AV&V
* 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 = 2.135"
ID = 1.750"
Thickness = .400"
SKU: ROAV-2135
Pickup currently not available
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