High Compression Piston Kit — 110" displacement, 4.010" bore, 10.6:1 compression

S&S CYCLE High Compression Piston Kit — 110" displacement, 4.010" bore, 10.6:1 compression – 07-17 Dyna, 07-17 CVO, 10-15 Trike, 10-11 Touring, 07-17 Softail

S&S CYCLE
0910-3980
920-0115

Precision piston kit improves compression and durability; deck height 1.0985", wristpin diameter .927". Not for twin cooled or '17 touring models.

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€598.33
€726.56
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High Compression Piston Kit engineered for improved performance and precision fit. 🔧

Deck height is 1.0985" and wristpin diameter is .927"; the piston crown adds 12.5cc to raise effective compression without altering stock geometry.

Supplied as a complete kit with precision-matched components for reliable operation and long-term durability.

Not for twin cooled or '17 touring models. Designed for twin cam CVO® motors; not compatible with twin cooled variants.

: 0910-3980
In Stock

Data sheet

Type
High Compression
Units
Kit
Brand
S&S CYCLE
Bore - Oversize
+0.010"
Bore Size
4,010"
Displacement
110"
Piston Head Shape
Raised Dome
Compression Ratio
10.6:1
Harley Family
CVO
Dyna
Softail
Touring
Trike

This product fits the following vehicles. Use the filters below to narrow down the list if needed.

Manufacturer Model Family Year Notes
Harley Davidson Dyna Switchback Dyna 2012
Harley Davidson Dyna Switchback Dyna 2013
Harley Davidson Dyna Switchback Dyna 2012
Harley Davidson Dyna Switchback Dyna 2013
Harley Davidson Dyna Switchback Dyna 2014
Harley Davidson Dyna Switchback Dyna 2015
Harley Davidson Road King Screamin Eagle CVO 2007 +.010\"
Harley Davidson Road King CVO 110th Anniversary CVO 2013 +.010\"
Harley Davidson Electra Glide Ultra Classic Screamin Eagle CVO 2007 +.010\"
Harley Davidson Trike Tri Glide Ultra Classic Trike 2010
Harley Davidson Trike Tri Glide Ultra Classic Trike 2011
Harley Davidson Trike Tri Glide Ultra Classic Trike 2012
Harley Davidson Trike Tri Glide Ultra Classic Trike 2013
Harley Davidson Trike Tri Glide Ultra Classic Trike 2014
Harley Davidson Trike Tri Glide Ultra Classic Trike 2015
Harley Davidson Trike Street Glide Touring 2010
Harley Davidson Trike Street Glide Touring 2011
Harley Davidson Freewheeler Trike 2015
Harley Davidson Softail Slim Softail 2012
Harley Davidson Softail Slim Softail 2013
Harley Davidson Softail Slim Softail 2014
Harley Davidson Softail Slim Softail 2015
Harley Davidson Softail Slim Softail 2012
Harley Davidson Softail Slim Softail 2014
Harley Davidson Softail Slim Softail 2015
Harley Davidson Softail Slim S Softail 2016 +.010\"
Harley Davidson Softail Slim S Softail 2017 +.010\"
Harley Davidson Heritage Softail Classic 110th Anniversary Softail 2013
Harley Davidson Heritage Softail Classic Softail 2014
Harley Davidson Heritage Softail Classic Softail 2015
Harley Davidson Fat Boy Softail 2014
Harley Davidson Fat Boy Special Softail 2010
Harley Davidson Fat Boy Special Softail 2011
Harley Davidson Fat Boy Special Softail 2012
Harley Davidson Fat Boy Special Softail 2013
Harley Davidson Fat Boy Special Softail 2014
Harley Davidson Fat Boy Special Softail 2015
Harley Davidson Fat Boy S Softail 2016 +.010\"
Harley Davidson Fat Boy S Softail 2017 +.010\"
Harley Davidson Softail Deluxe Softail 2014
Harley Davidson Softail Deluxe Softail 2015
Harley Davidson Softail Deluxe CVO CVO 2014 +.010\"
Harley Davidson Softail Deluxe CVO CVO 2015 +.010\"
Harley Davidson Cross Bones Springer Softail 2008
Harley Davidson Cross Bones Springer Softail 2009
Harley Davidson Cross Bones Springer Softail 2010
Harley Davidson Cross Bones Springer Softail 2011
Harley Davidson Softail Springer Classic Softail 2007
Harley Davidson Softail Convertible CVO CVO 2010 +.010\"
Harley Davidson Softail Convertible CVO CVO 2011 +.010\"
Harley Davidson Softail Convertible CVO CVO 2011 +.010\"
Harley Davidson Softail Convertible CVO CVO 2012 +.010\"
Harley Davidson Road Glide Ultra CVO CVO 2015 +.010\"
Harley Davidson Road Glide Ultra CVO CVO 2016 +.010\"
Harley Davidson Rocker Softail 2008
Harley Davidson Rocker Softail 2009
Harley Davidson Rocker C Softail 2008
Harley Davidson Rocker C Softail 2009
Harley Davidson Rocker C Softail 2010
Harley Davidson Rocker C Softail 2011
Harley Davidson Rocker C Softail 2011
Harley Davidson Dyna Super Glide Dyna 2008
Harley Davidson Dyna Super Glide Dyna 2009
Harley Davidson Dyna Super Glide Dyna 2010
Harley Davidson Dyna Street Bob Dyna 2007
Harley Davidson Dyna Street Bob Dyna 2008
Harley Davidson Dyna Street Bob Dyna 2010
Harley Davidson Dyna Street Bob Dyna 2011
Harley Davidson Dyna Street Bob Dyna 2013
Harley Davidson Dyna Street Bob Dyna 2015
Harley Davidson Dyna Street Bob Dyna 2014
Harley Davidson Dyna Street Bob Dyna 2015
Harley Davidson Dyna Super Glide Custom Dyna 2008
Harley Davidson Dyna Super Glide Custom Dyna 2009
Harley Davidson Dyna Super Glide Custom Dyna 2010
Harley Davidson Dyna Super Glide Custom Dyna 2011
Harley Davidson Dyna Super Glide Custom Dyna 2013
Harley Davidson Dyna Super Glide Custom Dyna 2012
Harley Davidson Dyna Super Glide Custom 110th Anniversary Dyna 2013
Harley Davidson Dyna Super Glide Custom Dyna 2014
Harley Davidson Dyna Fat Bob Dyna 2009
Harley Davidson Dyna Fat Bob Dyna 2011
Harley Davidson Dyna Fat Bob Dyna 2012
Harley Davidson Dyna Fat Bob Dyna 2014
Harley Davidson Dyna Fat Bob Dyna 2015
Harley Davidson Dyna Fat Bob Dyna 2012
Harley Davidson Dyna Fat Bob Dyna 2013
Harley Davidson Dyna Fat Bob Dyna 2014
Harley Davidson Dyna Fat Bob Dyna 2015
Harley Davidson Dyna Fat Bob CVO CVO 2009 +.010\"
Harley Davidson Dyna Fat Bob CVO CVO 2010 +.010\"
Harley Davidson Dyna Low Rider Dyna 2008
Harley Davidson Dyna Low Rider Dyna 2014
Harley Davidson Dyna Low Rider Dyna 2015
Harley Davidson Dyna Low Rider Dyna 2014
Harley Davidson Dyna Low Rider Dyna 2015
Harley Davidson Dyna Low Rider S Dyna 2016 +.010\"
Harley Davidson Dyna Low Rider S Dyna 2017 +.010\"
Harley Davidson Dyna Screamin Eagle CVO 2007 +.010\"
Harley Davidson Dyna Screamin Eagle CVO 2008 +.010\"
Harley Davidson Dyna Wide Glide 105th Anniversary Dyna 2008
Harley Davidson Dyna Wide Glide Dyna 2010
Harley Davidson Dyna Wide Glide Dyna 2011
Harley Davidson Dyna Wide Glide Dyna 2012
Harley Davidson Dyna Wide Glide Dyna 2012
Harley Davidson Dyna Wide Glide Dyna 2013
Harley Davidson Dyna Wide Glide Dyna 2013
Harley Davidson Dyna Wide Glide Dyna 2014
Harley Davidson Dyna Wide Glide Dyna 2015
Harley Davidson Blackline Softail 2011
Harley Davidson Blackline Softail 2011
Harley Davidson Blackline Softail 2012
Harley Davidson Blackline Softail 2012
Harley Davidson Blackline Softail 2013
Harley Davidson Blackline Softail 2012
Harley Davidson Blackline Softail 2013
Harley Davidson Breakout Softail 2013
Harley Davidson Breakout Softail 2013
Harley Davidson Breakout Softail 2014
Harley Davidson Breakout Softail 2015
Harley Davidson Breakout CVO CVO 2013 +.010\"
Harley Davidson Breakout CVO CVO 2014 +.010\"
Harley Davidson Pro Street Breakout CVO CVO 2016 +.010\"
Harley Davidson Pro Street Breakout CVO CVO 2017 +.010\"
Harley Davidson Softail Night Train Softail 2007
Harley Davidson Softail Night Train Softail 2009
Harley Davidson Softail Custom Softail 2008
Harley Davidson Softail Custom Softail 2010
Harley Davidson Softail Deuce Softail 2007
Harley Davidson Softail Springer Screamin Eagle CVO 2007 +.010\"
Harley Davidson Softail Springer Screamin Eagle CVO 2008 +.010\"
Harley Davidson Softail Springer CVO CVO 2009 +.010\"