Features
- Aerospace-grade all-aluminum cylinder with nickel-silicon-carbide (NSC) electroplated bore
- NSC-plated cylinders have less friction for increased horsepower, lower engine temperatures and a longer lifespan
- Includes pair of all-aluminum NSC-coated bore cylinders, custom-forged pistons with high-tension rings specifically designed for NSC cylinders and a head/base gasket set
- Replacement gasket sets available separately
- Upgraded cylinders studs and head bolts recommended
- Made in the USA
- Monster big bore kit requires case boring.
- No sleeving allows for larger bore sizes.
Specs
Product Name | Cylinder Kit |
Color/Finish | Natural |
Bore Size | 3.875" |
Displacement | 90" |
Stroke Length | 3-13/16" |
Compression Ratio | 10.5:1 |
Units | Kit |
Riding Style | Street |
Fitments
Position | Notes | |||
---|---|---|---|---|
2018-2020 | Harley-Davidson | Iron 1200 XLNS | - | - |
2018-2019 | Harley-Davidson | Forty-Eight Special XLXS | - | - |
2016-2020 | Harley-Davidson | 1200 Roadster XLCX | - | - |
2014-2017 | Harley-Davidson | SuperLow 1200 XLT | - | - |
2012-2016 | Harley-Davidson | Seventy-Two XLV | - | - |
2011-2019 | Harley-Davidson | 883 SuperLow XLL | - | - |
2010-2020 | Harley-Davidson | Forty-Eight XLX | - | - |
2009-2020 | Harley-Davidson | Iron 883 XLN | - | - |
2007-2012 | Harley-Davidson | 1200 Nightster XLN | - | - |
2007-2009 | Harley-Davidson | 883 EFI XL | - | - |
2007 | Harley-Davidson | Sportster 1200 XL 50 | - | - |
2006-2011 | Harley-Davidson | 1200 Low EFI XLL | - | - |
2006-2010 | Harley-Davidson | 883 Low EFI XLL | - | - |
2006-2008 | Harley-Davidson | 1200 Roadster EFI XLR | - | - |
2006 | Harley-Davidson | 1200 Low XLL | - | - |
2005-2006 | Harley-Davidson | 883 Low XLL | - | - |
2004-2006 | Harley-Davidson | 883 XL | - | - |
2004-2006 | Harley-Davidson | 1200 Roadster XLR | - | - |
2002-2019 | Harley-Davidson | 1200 Custom EFI XLC | - | - |
2002-2003, 2011-2017 | Harley-Davidson | 1200 XLCP | - | - |
2002-2003, 2005-2007 | Harley-Davidson | 883 Roadster XLR | - | - |
2002-2003, 2005-2007 | Harley-Davidson | 883 Roadster EFI XLR | - | - |
1999-2009 | Harley-Davidson | 883 Custom EFI XLC | - | - |
1998-2006 | Harley-Davidson | 883 Custom XLC | - | - |
1996-2006 | Harley-Davidson | 1200 Custom XLC | - | - |
1996-2003 | Harley-Davidson | 1200 Sport XLS | - | - |
1991-2003 | Harley-Davidson | 883 Hugger XLH | - | - |
1991-2003 | Harley-Davidson | Sportster 883 XLH | - | - |
1991-2003 | Harley-Davidson | Sportster 1200 XLH | - | - |
1991-1995 | Harley-Davidson | 883 Deluxe XLH | - | - |
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Fitment
Fitment
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Spec Sheet
- SKU9311071