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Keith Black Performance Hypereutectic Piston For Harley FX / FL

Keith Black Performance Hypereutectic Piston are manufactured from high-strength, T-5, heat-treated, 390 hypereutectic aluminum alloy.

Features:

  • Allow a tighter fit, longer piston and ring life
  • Diamond-machined pistons are held to plus or minus on gram weight and less than .005" tolerances between pistons
  • Each kit contains two pistons, pins, spiral-lock pin clips and Hastings moly rings
  • Replacement piston rings and pin lock rings available separately
  • These pistons can be installed tighter than other pistons, resulting in less piston rock and better ring seal.
  • Special attention is required to the top ring end gap, refer to instructions for correct piston and ring installation
  • Displacement Size CC: 1690cc
  • Displacement Size CI: 103ci
  • Cylinder Bore Size: 3.875″
  • Compression Ratio: 10:1

Product Style J&P Cycles Item # Catalog Number Store Sku MFR. Product # Availability
Product Style +.010" J&P Cycles Item #10238345 Catalog Number744-381 Store Sku MFR. Product #KB409C.010 AvailabilityIn Stock: Ships within 24 hours
Product Style +.005" J&P Cycles Item #10238346 Catalog Number744-380 Store Sku MFR. Product #KB409C.005 AvailabilityOut of Stock
Product Style Standard J&P Cycles Item #10238344 Catalog Number744-382 Store Sku MFR. Product #KB409C.STD AvailabilityIn Stock: Ships within 24 hours

This product DOES NOT FIT your 2009 Can-Am DS 90 X

Fitment Notes & Exceptions
  • Also fits 2007-13 96" models converted to a 103" big Bore kit.
This Product Fits
Harley Davidson
Dyna Fat Bob FXDF 2012-2017
Dyna Low Rider FXDL/I 2014, 2015, 2016, 2017
Dyna Street Bob FXDB/I 2012-2017
Dyna Super Glide Custom FXDC/I 2012, 2013, 2014
Dyna Switchback FLD 2012, 2013, 2014, 2015, 2016
Dyna Wide Glide FXDWG/I 2012-2017
Electra Glide Classic FLHTC/I 2012, 2013
Electra Glide Ultra Classic FLHTCU/I 2012, 2013, 2014, 2015, 2016
Electra Glide Ultra Classic Low FLHTCUL 2015, 2016
Electra Glide Ultra Limited FLHTK 2012, 2013, 2014, 2015, 2016
Electra Glide Ultra Limited Low FLHTKL 2015, 2016
Freewheeler FLRT 2015, 2016
Road Glide Custom FLTRX 2012, 2013
Road Glide FLTRX 2015, 2016
Road Glide Special FLTRXS 2015, 2016
Road Glide Ultra FLTRU 2012, 2013, 2016
Road King Classic FLHRC/I 2012, 2013
Road King FLHR/I 2012, 2013, 2014, 2015, 2016
Softail Blackline FXS 2012, 2013
Softail Breakout FXSB 2013, 2014, 2015, 2016, 2017
Softail Deluxe FLSTN/I 2012-2017
Softail Fat Boy FLSTF/I 2012-2017
Softail Fat Boy Lo FLSTFB 2012, 2013, 2014, 2015, 2016
Softail Fat Boy S FLSTFBS 2016, 2017
Softail Heritage Classic FLSTC/I 2012-2017
Softail Slim FLS 2012-2017
Softail Standard FXST/I 2012
Street Glide FLHX/I 2012, 2013, 2014, 2015, 2016
Street Glide Special FLHXS 2014, 2015, 2016
Tri Glide Ultra Classic FLHTCUTG 2012, 2013, 2014, 2015, 2016
Product Description
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