KB Performance Piston Kit — 3.875" Standard — 9.5:1 CR — 96" to 103" Big Bore |103" Twin Cam

In stock

KB Performance Piston Kit — 3.875" Standard — 9.5:1 CR — 96" to 103" Big Bore |103" Twin Cam

KB Performance · #0910-0937 · Top End / Engine

Offset pin design for quiet operation
Each kit contains two pistons, pins, spiral-lock pin clips and Hastings moly rings
Replacement rings and pin locks are also available separately

$322.95

In stock. Ships in 2–4 business days · free shipping over $150.

Questions? Call the shop: 801-361-3010

Real shop · real humans · 1231 N 1300 W Ste A, Centerville, UT 84014

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Description & features3 features

Offset pin design for quiet operation
Each kit contains two pistons, pins, spiral-lock pin clips and Hastings moly rings
Replacement rings and pin locks are also available separately

Specifications15 specs

Model: Forged Series
Piston Material: 4032 Aluminum Alloy
Bore - Oversize: Standard
Piston Head Shape: Dished
Skirt Coating: M42
Riding Style: Street
Bore Size: 3.875"
Stroke Length: 4.375"
Displacement: 103"
Compression Ratio: 9.5:1
Units: Kit
Style: Big Bore
Shipping weight: 2.25 lb
Package size: 6 × 5.7 × 5.6 in
Country of origin: Mexico

Fitment41 models · Harley-Davidson

Harley-Davidson41 models

FLD Switchback2012–2016
FLHR Road King2007–2016
FLHRC Road King Classic2007–2013
FLHRS Road King Custom2007
FLHT Electra Glide Standard2007–2009
FLHTC Electra Glide Classic2007–2013
FLHTCU Electra Glide Ultra Classic2007–2016
FLHTCUL Electra Glide Ultra Classic Low2015–2016
FLHTCUTG Tri Glide Ultra2009–2016
FLHTK Ultra Limited2010–2016
FLHTKL Ultra Limited Low2015–2016
FLHX Street Glide2007–2016
FLHXS Street Glide Special2014–2016
FLHXXX Street Glide Trike2010–2011
FLRT Freewheeler2015–2016
FLS Softail Slim2012–2017
FLSTC Heritage Softail Classic2007–2017
FLSTF Fat Boy2007–2017
FLSTFB Fat Boy Lo2010–2016
FLSTN Softail Deluxe2007–2017
FLSTSB Cross Bones2008–2011
FLSTSC Softail Springer Classic2007
FLTR Road Glide2007–2010, 2016
FLTRU Road Glide Ultra2011–2013, 2016
FLTRX Road Glide2015
FLTRX Road Glide Custom2011–2013
FLTRXS Road Glide Special2015–2016
FXCW Rocker2008–2009
FXCWC Rocker C2008–2011
FXD Dyna Super Glide2007–2010
FXDB Street Bob2007–2017
FXDC Super Glide Custom2007–2014
FXDF Fat Bob2008–2017
FXDL Dyna Low Rider2007–2009, 2014–2017
FXDWG Dyna Wide Glide2007–2008, 2010–2017
FXS Blackline2011–2013
FXSB Breakout2013–2017
FXST Softail Standard2007
FXSTB Night Train2007–2009
FXSTC Softail Custom2007–2010
FXSTD Softail Deuce2007

Fitment comes from the catalog data for this part. Double-check your year, model and trim before you order — or call the counter at 801-361-3010 and we’ll check it with you.

Part numbers

Salto part #: 0910-0937
KB Performance part #: KB907C.STD
UPC: 800745153128

Shipping

In stock. Ships in 2–4 business days by ground.

Ground shipping is $14.95, free on orders over $150. Stock is checked again before your card is charged.

Questions4 answers

Is it in stock?: Yes — it’s in stock right now. We check again the moment you order, before anything is charged.
How fast will it get to me?: Usually 2–4 business days by ground.
Will it fit my machine?: It’s listed for the models in the Fitment section above. Not sure about your trim or year? Call the counter at 801-361-3010 and we’ll check it with you.
Is this genuine KB Performance?: Yes. It’s new and genuine, straight from Salto — KB Performance part #KB907C.STD.