Piston Set, 2618, Dome, 3.740 Bore, 0.854 CD, 0.787 Pin, Set of 1.

Part Number 221780 (132899207)

UPC: 193564025593

Package contents: 1 Each per Box

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Description

As the leader in forged racing pistons, JE Pistons has applied over 75 years of experience to its wide range of premium forged pistons for dirt bike and other off-road motorcycle engines. Engineered, forged and machined 100% in the USA, JE Pistons are designed for each specific engine and riding application to provide the ultimate combination of durability and performance. From the motocross track to the trail and everything in between, JE Pistons? performance is proven with every handful of throttle and wave of the checkered flag. Equip your bike with the best in forged pistons.

Fitment

This part fits the following vehicles.

KTM

2005-2006 450 SMR
2003-2006 450 SX-F
2006 450 XC-F

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
Includes high-quality wrist pins, locks, and JE Pro Seal premium piston rings
Made 100% in the USA
Designed specifically for each engine and use application to provide optimized performance durability
Forged in the USA using 2618 aluminum, yielding high tensile strength needed for high-demand performance applications

Specifications

Bore Diameter	95.00 mm
Compression Height	0.854
Compression Ratio	0.54513888888889
Compression Ratio Actual	13.50:1
Country Of Origin	USA
Cylinder Head	4 VALVE 450
Engine	KTM
Engine Stroke	2.496 in
Engine Type	ICE
Exhaust Angle	20
Exhaust Depth	.145
Exhaust Diameter	1.450
Forging Type	FSR
Intake Angle	20
Intake Depth	.140 in
Intake Diameter	1.600 in
Oil Groove Width	0.07950 in
Oil Ring Thickness	0.0795 in
Piston Average Weight	277 gr
Piston Head Type	Dome
Piston Material	2618
Piston Series	JE Pistons
Piston To Wall Clearance	-0.002 in
Piston Volume	0.00 cc
Product Market	Off-Road
Product Type	Engine Piston Kit
Ring Set - Recommended	ZS9500
Ring Set Included	Yes
Ring Set Part Number	ZS9500
Top Compression Ring Thickness	0.0480 in
Top Groove Width	0.04800 in
Wrist Pin Length	2.050 in
Wrist Pin Material	9310 Nickel Carbon Steel Alloy
Wrist Pin Outer Diameter	0.787 in
Wrist Pin Wall Thickness	0.160 in

Warranty

30 Months

About JE 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.

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.