Description
3.927" Bore, 4 3/8" Stroke, 9.9:1 Comp. w/stock heads
The Big Bore kit yields excellent results with stock cylinder heads (not for Twin Cooled motors) unless noted
Easy installation: no need to bore or split existing cases, just swap the cylinders (unless noted)
Cylinders are constructed from premium aluminum castings with cast-in iron liners
Kits include cylinders, pistons, rings and gaskets (head, base and exhaust)
Black or silver powder-coat finish
Made in the U.S.A.
NOTE: This project requires a skilled technician. It is the responsibility of the person assembling the parts to check all clearances and assembly specifications.
fitment
2011 - 2013 Harley-Davidson Blackline - FXS
2013 - 2017 Harley-Davidson Breakout (EFI) FXSB
2008 - 2011 Harley-Davidson Cross Bones (EFI) - FLSTSB
2007 - 2017 Harley-Davidson Deluxe (EFI) - FLSTN
2007 Harley-Davidson Deuce (EFI) - FXSTD
2008 - 2017 Harley-Davidson Dyna Fat Bob (EFI) - FXDF
2007 - 2009 Harley-Davidson Dyna Low Rider (EFI) - FXDL
2014 Harley-Davidson Dyna Low Rider (EFI) - FXDL
2015 - 2017 Harley-Davidson Dyna Low Rider (EFI) -FXDL
2016 - 2017 Harley-Davidson Dyna Low Rider Sport - FXDLS
2007 - 2017 Harley-Davidson Dyna Street Bob (EFI) - FXDB
2007 - 2010 Harley-Davidson Dyna Super Glide (EFI) - FXD
2007 - 2014 Harley-Davidson Dyna Super Glide Custom (EFI) - FXDC
2012 - 2016 Harley-Davidson Dyna Switchback - FLD
2007 - 2008 Harley-Davidson Dyna Wide Glide (EFI) - FXDWG
2010 - 2017 Harley-Davidson Dyna Wide Glide (EFI) - FXDWG
2007 - 2013 Harley-Davidson Electra Glide Classic (EFI) - FLHTC
2007 - 2009 Harley-Davidson Electra Glide Standard (EFI) - FLHT
2007 - 2016 Harley-Davidson Electra Glide Ultra Classic (EFI) - FLHTCU
2015 - 2016 Harley-Davidson Electra Glide Ultra Classic Low-FLHTCUL
2010 - 2016 Harley-Davidson Electra Glide Ultra Limited - FLHTK
2007 - 2017 Harley-Davidson Fat Boy (EFI) - FLSTF
2010 - 2016 Harley-Davidson Fat Boy Lo - FLSTFB
2016 - 2017 Harley-Davidson Fatboy S - FLSTFBS
2012 - 2017 Harley-Davidson FLS Slim
2015 - 2016 Harley-Davidson Freewheeler-FLRT
2007 - 2017 Harley-Davidson Heritage Classic (EFI) - FLSTC
2007 - 2009 Harley-Davidson Road Glide (EFI) - FLTR
2010 - 2013 Harley-Davidson Road Glide Custom - FLTRX
2015 - 2016 Harley-Davidson Road Glide Custom - FLTRX
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