Kibblewhite KPM-20-20691C Cast Iron 0.001 Oversize Intake Valve Guide for Harley-Davidson Twin Cam 05-17/Sportster 05-21 w/+.001" Outside Diameter

Cast Iron: After chemically separating several samples of cast iron material , analysis and evaluating the test data, we decided to have our own specification of cast iron made exclusively , us. We specify elements such as carbon, silicon, manganese, nickel, chromium, copper and sulfur to produce a highly pearlitic structure with dense fine grains , excellent wear resistance.

Specs
Quantity: 1
Type: Intake
Outside Dia, (G): 0.5630"(+0.001")
A: 0.690"
B: 0.770"
C: 0.800"
D: 1.280"
E: 0.615"
F: 0.2750"