KB PERFORMANCE Piston Kit - 3.498" +0.040" - 9.6:1 CR - 80" Evolution Big Twin [KB305040]

KB PERFORMANCE Piston Kit - 3.498" +0.040" - 9.6:1 CR - 80" Evolution Big Twin [KB305040]

Manufacturer Part Number: KB305040

Parts Unlimited Part Number: 09102019

Product Type: Piston & Ring Kits

Piston Kit - 3.498" +0.040" - 9.6:1 CR - 80" Evolution Big Twin

Details

• Compression Ratio: 9.6:1
• Product Name: Piston Kit
• Units: Kit
• Bore - Oversize: +0.040"
• Bore Size: 3.498"
• Displacement: 80"
• Piston Material: Hypereutectic Alloy
• Displacement: 1340 cc
• Riding Style: Street
• Manufactured from high-strength, T-5, heat-treated, 390 hypereutectic aluminum alloy
• Allow a tighter fit and longer piston and ring life
• Diamond-machined pistons are held to plus or minus one gram weight and less than one-half-thousandth-inch (.0005") tolerances from piston to piston
• Each kit contains two pistons, pins, spiral-lock pin clips and Hastings moly rings
• Replacement piston rings and pin lock rings available separately
• KB pistons can be installed tighter than other pistons. This results in less piston rock and better ring seal. Please read instructions included with piston for correct piston clearance.
• Due to the thermal conductivity and design of KB pistons, special attention is required to the top ring end gap. Please read instructions furnished with piston for correct ring installation.

Verified Fitment

• 1994 Harley-Davidson FXDL Dyna Low Rider
• 1996 Harley-Davidson FXDL Dyna Low Rider
• 1995 Harley-Davidson FXDL Dyna Low Rider
• 1998 Harley-Davidson FXDL Dyna Low Rider
• 1993 Harley-Davidson FXDL Dyna Low Rider
• 1997 Harley-Davidson FXDL Dyna Low Rider
• 1999 Harley-Davidson FXDL Dyna Low Rider
• 1998 Harley-Davidson FXDWG Dyna Wide Glide
• 1994 Harley-Davidson FXDWG Dyna Wide Glide
• 1997 Harley-Davidson FXDWG Dyna Wide Glide
• 1995 Harley-Davidson FXDWG Dyna Wide Glide
• 1999 Harley-Davidson FXDWG Dyna Wide Glide
• 1993 Harley-Davidson FXDWG Dyna Wide Glide
• 1996 Harley-Davidson FXDWG Dyna Wide Glide
• 1987 Harley-Davidson FXR Super Glide II
• 1994 Harley-Davidson FXR Super Glide II
• 1992 Harley-Davidson FXR Super Glide II
• 1985 Harley-Davidson FXR Super Glide II
• 1990 Harley-Davidson FXR Super Glide II
• 1991 Harley-Davidson FXR Super Glide II
• 1989 Harley-Davidson FXR Super Glide II
• 1984 Harley-Davidson FXR Super Glide II
• 1988 Harley-Davidson FXR Super Glide II
• 1986 Harley-Davidson FXR Super Glide II
• 1993 Harley-Davidson FXR Super Glide II
• 1987 Harley-Davidson FXRP
• 1991 Harley-Davidson FXRP
• 1992 Harley-Davidson FXRP
• 1985 Harley-Davidson FXRP
• 1989 Harley-Davidson FXRP
• 1986 Harley-Davidson FXRP
• 1984 Harley-Davidson FXRP
• 1988 Harley-Davidson FXRP
• 1990 Harley-Davidson FXRP
• 1987 Harley-Davidson FXRS Low Glide
• 1990 Harley-Davidson FXRS Low Glide
• 1992 Harley-Davidson FXRS Low Glide
• 1986 Harley-Davidson FXRS Low Glide
• 1985 Harley-Davidson FXRS Low Glide
• 1991 Harley-Davidson FXRS Low Glide
• 1988 Harley-Davidson FXRS Low Glide
• 1984 Harley-Davidson FXRS Low Glide
• 1989 Harley-Davidson FXRS Low Glide
• 1990 Harley-Davidson FXRS-Conv Low Rider Sport Convertible
• 1991 Harley-Davidson FXRS-Conv Low Rider Sport Convertible
• 1993 Harley-Davidson FXRS-Conv Low Rider Sport Convertible
• 1992 Harley-Davidson FXRS-Conv Low Rider Sport Convertible
• 1994 Harley-Davidson FXRS-Conv Low Rider Sport Convertible
• 1990 Harley-Davidson FXRT Sport Glide
• 1988 Harley-Davidson FXRT Sport Glide
• 1989 Harley-Davidson FXRT Sport Glide
• 1984 Harley-Davidson FXRT Sport Glide
• 1992 Harley-Davidson FXRT Sport Glide
• 1991 Harley-Davidson FXRT Sport Glide
• 1985 Harley-Davidson FXRT Sport Glide
• 1986 Harley-Davidson FXRT Sport Glide
• 1987 Harley-Davidson FXRT Sport Glide
• 1998 Harley-Davidson FXST Softail Standard
• 1991 Harley-Davidson FXST Softail Standard
• 1986 Harley-Davidson FXST Softail Standard
• 1987 Harley-Davidson FXST Softail Standard
• 1988 Harley-Davidson FXST Softail Standard
• 1994 Harley-Davidson FXST Softail Standard
• 1996 Harley-Davidson FXST Softail Standard
• 1984 Harley-Davidson FXST Softail Standard
• 1992 Harley-Davidson FXST Softail Standard
• 1993 Harley-Davidson FXST Softail Standard
• 1989 Harley-Davidson FXST Softail Standard
• 1995 Harley-Davidson FXST Softail Standard
• 1990 Harley-Davidson FXST Softail Standard
• 1997 Harley-Davidson FXST Softail Standard
• 1985 Harley-Davidson FXST Softail Standard
• 1999 Harley-Davidson FXST Softail Standard
• 1997 Harley-Davidson FXSTC Softail Custom
• 1990 Harley-Davidson FXSTC Softail Custom
• 1992 Harley-Davidson FXSTC Softail Custom
• 1989 Harley-Davidson FXSTC Softail Custom
• 1991 Harley-Davidson FXSTC Softail Custom
• 1995 Harley-Davidson FXSTC Softail Custom
• 1993 Harley-Davidson FXSTC Softail Custom
• 1998 Harley-Davidson FXSTC Softail Custom
• 1986 Harley-Davidson FXSTC Softail Custom
• 1987 Harley-Davidson FXSTC Softail Custom
• 1988 Harley-Davidson FXSTC Softail Custom
• 1994 Harley-Davidson FXSTC Softail Custom
• 1996 Harley-Davidson FXSTC Softail Custom
• 1999 Harley-Davidson FXSTC Softail Custom
• 1998 Harley-Davidson FXSTS Springer Softail
• 1990 Harley-Davidson FXSTS Springer Softail
• 1989 Harley-Davidson FXSTS Springer Softail
• 1991 Harley-Davidson FXSTS Springer Softail
• 1995 Harley-Davidson FXSTS Springer Softail
• 1988 Harley-Davidson FXSTS Springer Softail
• 1994 Harley-Davidson FXSTS Springer Softail
• 1992 Harley-Davidson FXSTS Springer Softail
• 1993 Harley-Davidson FXSTS Springer Softail
• 1996 Harley-Davidson FXSTS Springer Softail
• 1997 Harley-Davidson FXSTS Springer Softail
• 1999 Harley-Davidson FXSTS Springer Softail
• 1997 Harley-Davidson FXSTSB Bad Boy
• 1995 Harley-Davidson FXSTSB Bad Boy
• 1996 Harley-Davidson FXSTSB Bad Boy
• 1990 Harley-Davidson Low Rider FXRS
• 1993 Harley-Davidson Low Rider FXRS
• 1989 Harley-Davidson Low Rider FXRS
• 1986 Harley-Davidson FXRPF Police
• 1988 Harley-Davidson FXRPF Police
• 1993 Harley-Davidson FXRPF Police
• 1995 Harley-Davidson FXRPF Police
• 1987 Harley-Davidson FXRPF Police
• 1989 Harley-Davidson FXRPF Police
• 1991 Harley-Davidson FXRPF Police
• 1990 Harley-Davidson FXRPF Police
• 1985 Harley-Davidson FXRPF Police
• 1992 Harley-Davidson FXRPF Police
• 1994 Harley-Davidson FXRPF Police
• 1999 Harley-Davidson FXR2
• 1987 Harley-Davidson FXRC Low Rider Chrome
• 1986 Harley-Davidson FXRC Low Rider Chrome
• 1985 Harley-Davidson FXRC Low Rider Chrome
• 1993 Harley-Davidson FXRS-SP Low Rider Sport
• 1987 Harley-Davidson FXRS-SP Low Rider Sport
• 1986 Harley-Davidson FXRS-SP Low Rider Sport
• 1988 Harley-Davidson FXRS-SP Low Rider Sport
• 1990 Harley-Davidson FXRS-SP Low Rider Sport
• 1991 Harley-Davidson FXRS-SP Low Rider Sport
• 1992 Harley-Davidson FXRS-SP Low Rider Sport
• 1989 Harley-Davidson FXRS-SP Low Rider Sport
• 1999 Harley-Davidson FXR3
• 1984 Harley-Davidson FXRDG Disc Glide
• 1999 Harley-Davidson FXSTB Night Train
• 1993 Harley-Davidson Sport Glide FXRT
• 1986 Harley-Davidson FXRD Sport Glide Grand Touring