Shock Seal Head - 12.5 mm ID x 33 mm OD

Complete assemblies, ready to install into the shock body. All have air bleed holes to help remove air from the oil reservoir during installation. Double-lip oil seal designed to keep out dirt and keeps friction low. Some models have updated designs for easier installation. Includes aluminum body, dust seal, bushing, oil seal, O-ring, internal guide bushing/washer, snap ring and top out bumper. Made in the USA.