# Wiseco HD 2015 TC103 Rushmore 10.51 106cid (X) Piston Kit V-Twin performance has been around since some of the earliest days of motorcycle racing and engine modification, and Wiseco has been there since the beginning. Applying over 80 years of experience, Wiseco has fine-tuned its V-Twin pistons for each specific engine platform to optimize performance and durability. From reliable rebuilds to all-out race, Wiseco has the pistons for your V-Twin build. - Complete Package: Each piston includes a wrist pin, rings, and circlips, providing everything needed for installation - Forged Material: Optimizes strength and service life, ensuring durability under high-stress conditions - Performance-Enhancing Features: Varied across applications to maximize both durability and power - Improved tensile strength of forged material optimizes strength and service life - Optimized compression ratio to fit your build and performance goals - Designed and built specifically for each V-Twin engine platform - Engineered, forged, and machined in the USA in Mentor, OH - Wrist pin, rings and circlips included - 3.937 in. Bore, 10.5:1 CR This Part Fits: Year Make Model Submodel 2015 Harley-Davidson FLD Switchback Base 2015 Harley-Davidson FLHR Road King Base 2014-2016 Harley-Davidson FLHTCU Electra Glide Ultra Classic Base 2015-2016 Harley-Davidson FLHTCUL Electra Glide Ultra Classic Low Base 2014-2016 Harley-Davidson FLHTCUTG Tri Glide Ultra Base 2014 Harley-Davidson FLHTK Electra Glide Ultra Limited Base 2015 Harley-Davidson FLHTK Ultra Limited Base 2015-2016 Harley-Davidson FLHTKL Ultra Limited Low Base 2015 Harley-Davidson FLHX Street Glide Base 2015 Harley-Davidson FLHXS Street Glide Special Base 2015 Harley-Davidson FLRT Freewheeler Base 2015 Harley-Davidson FLS Softail Slim Base 2015 Harley-Davidson FLSTC Heritage Softail Classic Base 2015 Harley-Davidson FLSTF Fat Boy Base 2015 Harley-Davidson FLSTFB Fat Boy Lo Base 2015 Harley-Davidson FLSTN Softail Deluxe Base 2016 Harley-Davidson FLTRU Road Glide Ultra Base 2015 Harley-Davidson FLTRX Road Glide Base 2015 Harley-Davidson FLTRXS Road Glide Special Base 2015 Harley-Davidson FXDB Street Bob Base 2015 Harley-Davidson FXDF Fat Bob Base 2015 Harley-Davidson FXDL Low Rider Base 2015 Harley-Davidson FXDWG Dyna Wide Glide Base 2015 Harley-Davidson FXSB Breakout Base ## Details - **Price:** 756.15 CAD - **Vendor:** Wiseco - **Type:** Piston Sets - Powersports ## Variants | Variant | Price | Available | |---------|-------|-----------| | Default Title | 756.15 CAD | In stock | ## Images - Photo - Primary - Photo - Primary - Photo - out of package - Photo - out of package - Photo - out of package - Photo - out of package - Photo - out of package - Photo - out of package - Photo - out of package - Photo - out of package --- > Source: [Standard Auto Part](https://www.standardautopart.com/products/wiseco-hd-2015-tc103-rushmore-10-51-106cid-x-piston-kit-1) > Updated: 2026-07-14