FLASH SALE: EVERYTHING HALF PRICE! LIMITED TIME ONLY!
Sale! KB PERFORMANCE 0910-2018 KB258.040 Hypereutectic Piston Kit Piston Kit
- $134.95
- $67.48
Features 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 (.00
- 100% Happiness Backed or Your Money Back
- Free Delivery on 30+ Orders
- 60-Day Hassle-Free Returns
Features
- 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.
Specs
| Units | Kit |
| Piston Material | Hypereutectic Alloy |
| Bore Oversize | +0.040″ |
| Product Name | Piston Kit |
| Compression Ratio | 8.6:1 |
| Riding Style | Street |
| Bore Size | 3.498″ |
| 1986-1993 | Harley-Davidson | Low Rider FXRS |
| 1989-1998 | Harley-Davidson | Electra Glide Ultra Classic FLHTCU |
| 1984-1994 | Harley-Davidson | Tour Glide Classic FLTC |
| 1987-1994 | Harley-Davidson | Low Rider Custom FXLR |
| 1984-1993 | Harley-Davidson | Sport Glide FXRT |
| 1987-1999 | Harley-Davidson | Softail Heritage Classic FLSTC |
| 1990-1999 | Harley-Davidson | Softail Fat Boy FLSTF |
| 1986-1990 | Harley-Davidson | Softail Heritage FLST |
| 1986-1999 | Harley-Davidson | Softail Custom FXSTC |
| 1995-1998 | Harley-Davidson | Electra Glide Ultra Classic EFI FLHTCUI |
| 1998 | Harley-Davidson | Road King Classic EFI FLHRC |
| 1990-1993 | Harley-Davidson | Low Rider Convertible FXRS-CONV |
| 1989-1996 | Harley-Davidson | Tour Glide Ultra Classic FLTCU |
| 1987-1993 | Harley-Davidson | Electra Glide Sport FLHS |
| 1996 | Harley-Davidson | Tour Glide Ultra Classic EFI FLTCU |
| 1984-1998 | Harley-Davidson | Electra Glide Classic FLHTC |
| 1984-1993, 1999 | Harley-Davidson | Softail Standard FXST |
| 1993-1998 | Harley-Davidson | Wide Glide FXDWG |
| 1988-1993 | Harley-Davidson | Low Rider Sport FXRS-SP |
| 1995-1998 | Harley-Davidson | Super Glide FXD |
| 1999 | Harley-Davidson | Softail Night Train FXSTB |
| 1996-1998 | Harley-Davidson | Road King EFI FLHR |
| 1985-1987, 1995-1998 | Harley-Davidson | Electra Glide Standard FLHT |
| 1997-1999 | Harley-Davidson | Softail Heritage Springer FLSTS |
| 1993 | Harley-Davidson | Softail Nostalgia FLSTN |
| 1986-1994 | Harley-Davidson | Super Glide FXR |
| 1986 | Harley-Davidson | Sport Glide Grand Touring FXRD |
| 1987 | Harley-Davidson | Low Rider Chrome FXRC |
| 1988-1999 | Harley-Davidson | Softail Springer FXSTS |
| 1993-1998 | Harley-Davidson | Low Rider FXDL |
| 1995-1998 | Harley-Davidson | Electra Glide Classic EFI FLHTCI |
| 1994-1996 | Harley-Davidson | Softail Heritage Special FLSTN |
| 1985 | Harley-Davidson | Low Rider FXSB |
| 1994-1998 | Harley-Davidson | Road King FLHR |
| 1995-1997 | Harley-Davidson | Softail Bad Boy FXSTSB |
| 1984-1985 | Harley-Davidson | Low Glide FXRS |
| 1999 | Harley-Davidson | FXR 2 |
| 1998 | Harley-Davidson | Road Glide FLTR |
| 1984 | Harley-Davidson | Disc Glide FXRDG |
| 1995-1998 | Harley-Davidson | Dyna Convertible FXDS-CONV |
| 2000 | Harley-Davidson | FXR 4 |
| 1985 | Harley-Davidson | Fat Bob FXEF |
| 1985-1986 | Harley-Davidson | Wide Glide FXWG |
| 1985 | Harley-Davidson | Low Glide Custom FXRC |
| 1992 | Harley-Davidson | Dyna Glide Custom FXDC |
| 1992 | Harley-Davidson | Dyna Daytona FXDB |
| 1999 | Harley-Davidson | FXR 3 |
| 1998 | Harley-Davidson | Road Glide EFI FLTR |
Fitment Disclosure
This quick reference fitment information is provided to direct you to our catalog information and the manufacturer’s information. Consult manufacturer publication(s) and/or website(s) for specific fitment and application information and other important information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided.
Cost:
$25
Free Shipping:
We offer free shipping on orders over $30. Please check the free - shipping eligibility at checkout.
Delivery Time:
It usually takes [3-5] business days for standard shipping. Please note that this is an estimated time frame and may be affected by local holidays, and unforeseen circumstances.
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