Wiseco K2726 V-Twin Forged Piston Kit Twin Cam 88 3.750in Bore 10.5:1 Compression

The Wiseco K2726 is a complete forged piston kit designed for Harley-Davidson Twin Cam 88 V-Twin engines, delivering a 3.750-inch standard bore and 10.5:1 compression ratio. Engineered, forged, and machined in the USA at Wiseco's facility in Mentor, Ohio, this kit is purpose-built for riders seeking improved performance and long-term reliability from their V-Twin powerplant.

What's Included:

• 2x Wiseco 4995PS 10.5:1 compression forged pistons
• 2x Wiseco 3750VM piston ring sets
• 2x Wiseco S594 wrist pins
• 2x Wiseco W5752 round wire wrist pin locks / circlips (pairs)

Key Features:

• High-silicon, low-expansion forged aluminum construction delivers superior tensile strength, reduced weight, improved heat transfer, and extended service life compared to cast pistons
• CNC diamond-turned finish from computer-controlled turning centers ensures a perfect surface with zero size variation
• Compatible with all cylinder bore compositions including cast iron, chrome, nikasil, and boron composite cylinders
• Oversize options available — cast iron lined cylinders benefit from Wiseco's wide oversize range; chrome, nikasil, and boron composite cylinders can be resleeved to accept oversizes
• Dedicated forgings for superior strength-to-weight ratio, with skirt geometry optimized for stability and smooth operation in the bore
• Made in the USA

Also available as VT2726, which includes a top-end gasket set. Cross-reference part numbers: 4995PS (piston), 3750VM (rings), S594 (wrist pin), W5752 (circlips).