Wiseco VT1747 Forged Top End Piston Kit 3.508 In. Bore 10.5:1 HD Sportster 1200 / Buell XB12RS

The Wiseco VT1747 is a complete top end kit engineered specifically for the Harley-Davidson Sportster 1200 and Buell XB12RS, delivering everything needed to overbore or rebuild your engine's top end. Featuring a 3.508-inch bore and a 10.5:1 compression ratio, this kit is built for riders seeking a reliable rebuild or a meaningful performance upgrade from their V-Twin powerplant.

Key Features:

• Forged from high-silicon, low-expansion aluminum alloy for superior strength, reduced weight, improved heat transfer, and extended service life
• 3.508 in. bore with a 10.5:1 compression ratio optimized for the Sportster 1200 and Buell XB12RS engine platform
• Diamond-turned finish produced on CNC-controlled turning centers for a perfect fit with no size variation
• Compatible with cast iron, chrome, Nikasil, and boron composite cylinder bore compositions
• Engineered, forged, and machined in the USA at Wiseco's facility in Mentor, OH
• Improved tensile strength of forged material optimizes strength and service life over cast alternatives

Kit Includes:

• 2 Forged pistons
• Piston rings
• Wrist pins
• Circlips
• Top end gasket set

With over 80 years of experience fine-tuning V-Twin pistons, Wiseco has engineered the VT1747 to deliver consistent performance whether you're completing a routine rebuild or chasing more power from your 1200cc engine. Each component is purpose-built for this specific platform, ensuring proper fit and lasting durability.