VALVE SEATS
         
Introduction Technical Information Tulip Valves Replacement Valves Valve Guides
         
Valve Seats Springs & Shims Valve Seals Compression Release Valves Tools
         
  Installation Tips Contact Us Customers Links  

 

 
These valve seats are made from heat resistant and wear resistant high quality alloy steel and are manufactured with clear convenient identification marking and radius edges for easy installation. These seats will resist intense valve pounding and effectively dissipate heat for consistent valve sealing. These valve seats will increase in hardness during engine break-in period. See charts below for sizes.
 

Our valve seats are made from 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

 

 
Part No. Model Type O.D. I.D. Thickness
AV1944 Shovel Head 1200 & 1340 Exhaust 1.944" 1.570" .400"
AV2135 Shovel Head 1200 & 1340 Intake 2.135" 1.750" .400"

Part No. Application Type O.D. I.D. Thickness
AV1630   Exhaust 1.630" 1.180" .385"
AV1757   Exhaust 1.757" 1.410" .430"
AV1880   Intake 1.880" 1.439" .410"
AV1882   Exhaust 1.882" 1.530" .410"
AV1944   Exhaust 1.944" 1.570" .400"
AV2008   Intake 2.008" 1.610" .440"
AV2040   Intake 2.040" 1.700" .425"
AV2070   Intake 2.070" 1.610" .460"
AV2135   Intake 2.135" 1.750" .400"
AV2163   Intake 2.163" 1.750" .455"
           
AV1757S Iron Head Sportster Exhaust 1.757" 1.371" .315"
AV2068S Iron Head Sportster Intake 2.068" 1.750" .315"
           
AV1820 Universal repair seat - 1.820" 1.375" .450"
AV2257 Universal repair seat - 2.257" 1.550" .500"