Upgraded Boat Transom Support Plate Top & Bottom Set, 10” & 13” Standard Bolt Hole Spacing, 6061 Aluminum Transom Plate for Outboard or Jack Plate Mounting

Upgraded Boat Transom Support Plate Top & Bottom Set, 10” & 13” Standard Bolt Hole Spacing, 6061 Aluminum Transom Plate for Outboard or Jack Plate Mounting

• 【Standard Dimensions】Top transom support plate overall length: 15 inches with 13-inch bolt hole spacing; Bottom transom support plate overall length: 12 inches with 10-inch bolt hole spacing. Plate width: 2 inches; Thickness: 0.375 inches; Hole diameter: 0.62 inches. Designed for standard 10” & 13” mounting patterns commonly used on outboard motor installations.
• 【Heavy-Duty Aluminum Construction】Manufactured from high-strength 6061 aluminum alloy with excellent tensile strength and resistance to deformation. Helps distribute engine load evenly across the transom when used with a jack plate, reducing stress and improving long-term durability.
• 【Upgraded Anodized Finish】Precision-machined surface combined with an anodized coating forms a dense oxide layer for enhanced corrosion resistance and wear protection. Smooth finish provides long-lasting performance in harsh marine environments.
• 【Compatibility & Fitment】Features 10-inch and 13-inch mounting hole spacing, compatible with most outboard motors on the market, including models from brands such as Mercury, Evinrude, Johnson, and Yamaha. When used with a jack plate, it is also compatible with most common manual or hydraulic jack plates, including those produced by brands such as T-H Marine ATLAS Micro, CMC, and Bob’s Machine. Please confirm your mounting hole spacing before purchase to ensure proper fit.
• 【Transom Protection Function】Transom plate prevents mounting bolts from biting into the transom. Evenly spreads clamping force to help protect the transom structure and extend service life.