KB Performance Piston Kit

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Out of stock
- 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.
UPC | 800745060365 |
---|---|
Vendor Part Number | KB258010 |
Package Height | 4.56 |
Package Length | 9.8 |
Package Width | 4.72 |
Ad Policy | No |
Bore Oversize - Imperial | +0.010" |
Bore Size Imperial | 3.498" |
Brand | KB Performance |
Compression Ratio Imperial | 8.6:1 |
Piston Material | Hypereutectic Alloy |
Riding Style | Street |
Unit of Measure | Kit |
YEAR | MAKE | MODEL |
---|---|---|
1984 | Harley-Davidson | Disc Glide FXRDG |
1995 - 1998 | Harley-Davidson | Dyna Convertible FXDS-CONV |
1992 | Harley-Davidson | Dyna Daytona FXDB |
1992 | Harley-Davidson | Dyna Glide Custom FXDC |
1995 - 1998 | Harley-Davidson | Electra Glide Classic EFI FLHTCI |
1984 - 1998 | Harley-Davidson | Electra Glide Classic FLHTC |
1987 - 1993 | Harley-Davidson | Electra Glide Sport FLHS |
1985 - 1998 | Harley-Davidson | Electra Glide Standard FLHT |
1995 - 1998 | Harley-Davidson | Electra Glide Ultra Classic EFI FLHTCUI |
1989 - 1998 | Harley-Davidson | Electra Glide Ultra Classic FLHTCU |
1999 | Harley-Davidson | FXR 2 |
1999 | Harley-Davidson | FXR 3 |
2000 | Harley-Davidson | FXR 4 |
1985 | Harley-Davidson | Fat Bob FXEF |
1985 | Harley-Davidson | Low Glide Custom FXRC |
1984 - 1985 | Harley-Davidson | Low Glide FXRS |
1987 | Harley-Davidson | Low Rider Chrome FXRC |
1990 - 1993 | Harley-Davidson | Low Rider Convertible FXRS-CONV |
1987 - 1994 | Harley-Davidson | Low Rider Custom FXLR |
1993 - 1998 | Harley-Davidson | Low Rider FXDL |
1986 - 1993 | Harley-Davidson | Low Rider FXRS |
1985 | Harley-Davidson | Low Rider FXSB |
1988 - 1993 | Harley-Davidson | Low Rider Sport FXRS-SP |
1998 | Harley-Davidson | Road Glide EFI FLTR |
1998 | Harley-Davidson | Road Glide FLTR |
1998 | Harley-Davidson | Road King Classic EFI FLHRC |
1996 - 1998 | Harley-Davidson | Road King EFI FLHR |
1994 - 1998 | Harley-Davidson | Road King FLHR |
1995 - 1997 | Harley-Davidson | Softail Bad Boy FXSTSB |
1986 - 1999 | Harley-Davidson | Softail Custom FXSTC |
1990 - 1999 | Harley-Davidson | Softail Fat Boy FLSTF |
1987 - 1999 | Harley-Davidson | Softail Heritage Classic FLSTC |
1986 - 1990 | Harley-Davidson | Softail Heritage FLST |
1994 - 1996 | Harley-Davidson | Softail Heritage Special FLSTN |
1997 - 1999 | Harley-Davidson | Softail Heritage Springer FLSTS |
1999 | Harley-Davidson | Softail Night Train FXSTB |
1993 | Harley-Davidson | Softail Nostalgia FLSTN |
1988 - 1999 | Harley-Davidson | Softail Springer FXSTS |
1984 - 1993 | Harley-Davidson | Softail Standard FXST |
1984 - 1993 | Harley-Davidson | Sport Glide FXRT |
1986 | Harley-Davidson | Sport Glide Grand Touring FXRD |
1995 - 1998 | Harley-Davidson | Super Glide FXD |
1986 - 1994 | Harley-Davidson | Super Glide FXR |
1984 - 1994 | Harley-Davidson | Tour Glide Classic FLTC |
1996 | Harley-Davidson | Tour Glide Ultra Classic EFI FLTCU |
1989 - 1996 | Harley-Davidson | Tour Glide Ultra Classic FLTCU |
1993 - 1998 | Harley-Davidson | Wide Glide FXDWG |
1985 - 1986 | Harley-Davidson | Wide Glide FXWG |
Fitment Disclosure
For reference only, please consult your owner’s manual to confirm your fitment.
General Safety Warning
Failure to follow the manufacturer's recommendations and requirements can cause product failure resulting in serious injury or death. While effort has been taken to collect accurate fitment information, 43 Moto accepts no liability for loss or damage resulting from errors or omissions. If you believe any of the information provided is erroneous, please email [email protected].