Essential for carb rebuilds on Evolution and early Twin Cam engines across Softail, Dyna, Touring, and Sportster lines

• Essential for carb rebuilds on Evolution and early Twin Cam engines across Softail, Dyna, Touring, and Sportster lines
• Restores vacuum piston operation, eliminating hesitation, bogging, or poor throttle response from worn diaphragms
• Precision-molded rubber construction ensures airtight seal and smooth slide movement
• Sold Individually