Overview Reviews Product Description Kibblewhite Black Diamond Exhaust Valve for Panhead and Shovelhead Model 20-4195 Kibblewhite 20-4195 Product Videos Custom Field Product Reviews Write a Review Write a Review × Kibblewhite Kibblewhite Black Diamond Exhaust Valve for Panhead and Shovelhead Model 20-4195 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *