Universal Replacement Pilot for most marine speedometers, automatic kick up feature prevents transom damage and prevents breakage. Have a standard slotted hole pattern that allows the replacement of most brands without drilling new holes, durable and smoke resistant. It can be used with any pressure driven speedometer up to 80 mph, weed-resistant system provides the steady water pressure required for accurate readings. Dimensions: ‎2.57 x 2.16 x 0.08 inches. Package Includes: 1 pcs of Marine City Boat Universal Speedometer Pitot ( Mounting Parts Included)