V-Twin Series 2007-2015 Harley-Davidson TWIN CAM 107" Piston Kit

Part Number 317211 (132899976)

UPC: 193564004697

Package contents: 1 Each per Box

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Description

As the leader in forged racing pistons, JE Pistons has been at the forefront of V-Twin and Harley-Davidson piston performance for decades, with over 75 years of experience. JE's carefully developed line of V-Twin pistons is engineered, forged and machined 100 percent in the USA and are designed for each specific engine and use application to provide the ultimate combination of durability and performance. From fun and powerful cruisers to all-out V-Twin drag racing, JE Pistons' performance is proven with every handful of throttle. Equip your bike with the best in forged pistons.

JE pistons are all designed, forged, and machined in-house, allowing control over every step of the piston-making process. JE Pistons 7+ decades of experience in high-level racing has led to offering premium racing features, including full billet construction, EN plating, and purpose-designed coatings, to name a few.

Fitment

This part fits the following vehicles.

Harley-Davidson

2012-2016 FLD Switchback
2011-2013 FLHRC Road King Classic
2012-2016 FLHR Road King
2012-2013 FLHTC Electra Glide Classic
2012-2016 FLHTCU Electra Glide Ultra Classic
2015-2016 FLHTCUL Electra Glide Ultra Classic Low
2014-2016 FLHTCUTG Tri Glide Ultra
2009-2013 FLHTCUTG Tri Glide Ultra Classic
2010-2014 FLHTK Electra Glide Ultra Limited
2015-2016 FLHTKL Ultra Limited Low
2015-2016 FLHTK Ultra Limited
2014-2016 FLHXS Street Glide Special
2012-2016 FLHX Street Glide
2010-2011 FLHXXX Street Glide Trike
2015-2016 FLRT Freewheeler
2012-2017 FLS Softail Slim
2012-2017 FLSTC Heritage Softail Classic
2012-2016 FLSTFB Fat Boy Lo
2012-2017 FLSTF Fat Boy
2012-2017 FLSTN Softail Deluxe
2011-2013, 2016 FLTRU Road Glide Ultra
2015-2016 FLTRX Road Glide
2012-2013 FLTRX Road Glide Custom
2015-2016 FLTRXS Road Glide Special
2014-2017 FXDB Street Bob
2014 FXDC Super Glide Custom
2012-2017 FXDF Fat Bob
2014-2017 FXDL Low Rider
2012-2017 FXDWG Dyna Wide Glide
2013-2017 FXSB Breakout
2012-2013 FXS Blackline

Features & benefits

Proprietary Forged Side Relief (FSR) forging design minimizes friction and power loss with reduced skirt width and saves additional weight with a shorter wrist pin
Forged in the USA using 2618 aluminum, yielding high tensile strength needed for high-demand performance applications
Designed specifically for each engine and use application to provide optimized performance durability
Includes high-quality wrist pins, locks, and JE Pro Seal premium piston rings
Designed specifically for Harley Davidson Twin Cam 107 Engines. to provide optimized performance durability
Made 100% in the USA
Accumulator Groove: A specialty groove between the top and second ring provides added volume for blow-by gases. This helps reduce pressure between the rings, improving top ring seal and minimizing ring flutter at high cylinder pressures.
Pin Fit: The pin bore is precision honed to attain an exact pin clearance. Clearances typically range from .0003 to .0010 between the wrist pin and pin bore.

Specifications

2nd Groove Width	0.048 in
3D Undercrown Milling	No
Accumulator Groove	Yes
Anodize Top Ring Groove	No
Bore Diameter	100.00 mm
Combo 2	No
Compression Height	1.082
Compression Ratio	0.43402777777778
Compression Ratio Actual	10.25:1
Connecting Rod Length	7.667 IN
Contact Reduction	No
Country Of Origin	USA
Cylinder Head	Brodix SR20
Deck Height	-0.005
Double Pin Oilers	No
DVGP	No
Econo Undercrown Milling	No
EN Plating	No
Engine	HARLEY
Engine Stroke	4.375 in
Engine Type	ICE
Exhaust Angle	27
Exhaust Depth	.205
Exhaust Diameter	2.200
Forging Type	Round
Gas Distribution	No
Intake Angle	27
Intake Depth	.205 in
Intake Diameter	2.200 in
Lateral Gas Ports	No
Mill Undercrown	No
Oil Groove Width	0.11100 in
Oil Ring Thickness	0.111 in
Pin Fit	Yes
Piston Average Weight	350 gr
Piston Head Type	Dome
Piston Material	2618
Piston Series	JE Pistons
Piston To Wall Clearance	-0.002499 in
Piston Volume	0.20 cc
Product Market	V-Twin
Product Type	Engine Piston Kit
Ring Set - Recommended	JG1001-3937
Ring Set Included	Yes
Ring Set Part Number	JG1001-3937
Second Compression Ring Thickness	0.0480 in
Skirt Coat	No
Smooth Crown Finish	No
Thermal Crown	No
Top Compression Ring Thickness	0.0400 in
Top Groove Width	0.04000 in
Tuff Skirt	No
Ultra Dome	No
Ultra Groove	No
Ultra Groove Plus Gas Port	No
Vertical Gas Ports	No
Wrist Pin Length	2.500 in
Wrist Pin Material	5115 Low Carbon Steel, Case Hardened
Wrist Pin Outer Diameter	0.927 in
Wrist Pin Wall Thickness	0.150 in

Warranty

30 Months

California residents

WARNING: This product can expose you to chemicals including nickel, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.

Carb Status

California carb status to be completed