Kibblewhite KPM-71028-4 Valve Guide Seals Viton for Harley-Davidson Twin Cam 05-17/Sportster 04-21 (Good for Harley-Davidson when using larger springs & lower collar)

KPMI® Red 100% Viton valve stem seals are designed to have optimum fitment, allow , maximum lift, and to give maximum life. KPMI® Red valve stem seals are resistant to high temperatures, petroleum products and the corrosive gasses that are the by-products of combustion. These seals retain their ability to seal in situations where other materials could harden and allow oil to enter the combustion chamber causing detonation, carbon build up and a loss of power. The Red Ones are truly the racers choice.

Specs
Type: Intake/ Exhaust
Material: Red Viton®
Reference: See Figure 1
Quantity: 4
Stem Diameter: 7.0mm
Overall Length: 0.510"
Seal O.D.: 0.665"
A: 0.560”±0.002”
B: ---
C: ---
D: 0.375"

Note: Use the diagram and specifications to ensure your valve guide shares the same dimensions for a proper fit