1-7/8 in. Opening:
• Mounting hole pattern is identical to stock pattern on Tillotson®, Bendix® and Keihin® butterfly type carbs
• Use with all S&S® 1-7/8 in. manifolds
• Includes O-rings
2-1/16 in. Opening:
• Use with all S&S® 2-1/16 in. manifolds
• Includes O-rings
