Valve Seat Inserts

 

 
 

AV&V valve seats are made from a highly alloyed material and feature the following :

  • 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

 


 
Replacement Valve Seats for Shovel Heads (No machining required)
O.D.
I.D.
Thickness
Note
Part No.
1.944"
1.570"
.400"
No machining required
AV1944
2.135"
2.135"
.400"
No machining required
AV2135


 
Oversize Valve Seats (Machining required)
For all cylinder head models
O.D.
I.D.
Thickness
Note
Part No.
1.630"
1.180"
.385"
-
AV1630
1.757"
1.410"
.430"
-
AV1757
1.882"
1.530"
.410"
-
AV1882
2.008"
1.610"
.440"
-
AV2008
2.040"
1.700"
.425"
-
AV2040
2.070"
1.610"
.460"
-
AV2070
2.132"
1.800"
.460"
Ideal size for AV&V 1.990" or 1980-7TGB Int. valve
AV2132
2.163"
1.750"
.455"
-
AV2163

1.757"
1.371"
.315"
Iron Head Sportster (Exhaust)
AV1757S
2.068"
1.750"
.315"
Iron Head Sportster (Intake)
AV2068

1.820"
1.375"
.450"
Universal repair seat
AV1820
1.880"
1.435"
.410"
Universal repair seat
AV1880
1.945"
1.375"
.440"
Universal repair seat
AV1945
2.257"
1.550"
.500"
Universal repair seat
AV2257