Kibblewhite KPM-20-2320C Cast Iron Standard Intake Valve Guide for Harley-Davidson Sportster 57-Early 83 w/Standard Outside Diameter Guide

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): 0.5650" (Std.)
A: 0.470"
B: 0.545"
C: 0.700"
D: 1.225"
E: 0.745"
F: 0.3085"

Note: Seal not required. However KPM® Intake seal #71033-4 may be used if a seal is desired.