# Wiseco Harley 1340 3507X-4724,4725P1 Piston Kit The Wiseco team has led the powersports performance industry through eras and technological advancements, including the rise of high-performance 4-stroke engines. Today, Wiseco's forged 4-stroke pistons are engineered for specific engine applications and manufactured to the tightest tolerances, offering unparalleled performance and strength. Wiseco 4-stroke pistons are proven across all levels of riding and are available for a wide range of models. - Improved tensile strength of forged material optimizes strength and service life - Optimized compression ratio to fit your build and performance goals - Designed and built for each specific 4-stroke powersports engine - Designed and built specifically for each V-Twin engine platform - Dedicated forgings allow for optimized strength-to-weight ratio - Includes high-quality piston rings, wrist pin(s), and circlips - Engineered, forged, and machined in the USA in Mentor, OH - Wrist pin, rings and circlips included - 3.508 in. Bore, 10:1 CR This Part Fits: Year Make Model Submodel 1994-1999 Harley-Davidson FLHR Road King Base 1998-1999 Harley-Davidson FLHRCI Road King Classic Base 1996-1997 Harley-Davidson FLHRI Road King Base 1987-1993 Harley-Davidson FLHS Electra Glide Sport Base 1988,1995-1998 Harley-Davidson FLHT Electra Glide Standard Base 1984-1999 Harley-Davidson FLHTC Electra Glide Classic Base 1996-1999 Harley-Davidson FLHTCI Electra Glide Classic Base 1989-1997 Harley-Davidson FLHTCU Electra Glide Ultra Classic Base 1995-1999 Harley-Davidson FLHTCUI Electra Glide Ultra Classic Base 1986-1990 Harley-Davidson FLST Heritage Softail Base 1988-1999 Harley-Davidson FLSTC Heritage Softail Classic Base 1990-1999 Harley-Davidson FLSTF Fat Boy Base 1993 Harley-Davidson FLSTN Heritage Softail Nostalgia Base 1994-1996 Harley-Davidson FLSTN Heritage Softail Special Base 1998-1999 Harley-Davidson FLTR Road Glide Base 1998-1999 Harley-Davidson FLTRI Road Glide Base 1995-1999 Harley-Davidson FXD Dyna Super Glide Base 1992 Harley-Davidson FXDB-D Dyna Glide Daytona Base 1991 Harley-Davidson FXDB-S Dyna Glide Sturgis Base 1993-1999 Harley-Davidson FXDL Dyna Low Rider Base 1994-1999 Harley-Davidson FXDS-Conv Dyna Convertible Base 1993-1999 Harley-Davidson FXDWG Dyna Wide Glide Base 1999 Harley-Davidson FXDX Dyna Super Glide Sport Base 1987-1994 Harley-Davidson FXLR Low Rider Custom Base 1984-1994 Harley-Davidson FXR Super Glide II Base 1999 Harley-Davidson FXR2 Base 1999 Harley-Davidson FXR3 Base 1985-1987 Harley-Davidson FXRC Low Rider Chrome Base 1986 Harley-Davidson FXRD Sport Glide Grand Touring Base 1984 Harley-Davidson FXRDG Disc Glide Base 1984-1992 Harley-Davidson FXRS Low Glide Base 1990-1993 Harley-Davidson FXRS-Conv Low Rider Sport Convertible Base 1986-1993 Harley-Davidson FXRS-SP Low Rider Sport Base 1984-1992 Harley-Davidson FXRT Sport Glide Base 1985 Harley-Davidson FXSB Low Rider - Belt Base 1984-1999 Harley-Davidson FXST Softail Standard Base 1999 Harley-Davidson FXSTB Night Train Base 1986-1999 Harley-Davidson FXSTC Softail Custom Base 1988-1999 Harley-Davidson FXSTS Springer Softail Base 1995-1997 Harley-Davidson FXSTSB Bad Boy Base 1985-1986 Harley-Davidson FXWG Wide Glide Base ## Details - **Price:** 592.53 CAD - **Vendor:** Wiseco - **Type:** Piston Sets - Powersports ## Variants | Variant | Price | Available | |---------|-------|-----------| | Default Title | 592.53 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-harley-1340-3507x-4724-4725p1-piston-kit) > Updated: 2026-07-14