Piston Set, 2618, Dome, 2.834 Bore, 0.979 CD, 0.669 Pin, Set of 4.

Part Number 125473 (132898962)

UPC: 193564218803

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 sport bike and other motorcycle engines. Engineered, forged and machined 100 percent 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 road course to the drag strip 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.

Kawasaki

1977-1982 KZ1000B/K LTD
1978-2003, 2005 KZ1000C/P Police
1978, 1980 KZ1000D Z1R
1979-1980 KZ1000E Shaft
1980 KZ1000G Classic
1981-1982 KZ1000M CSR
1976 KZ900 LTD
1973-1977 KZ900/Z1

Features & benefits

Forged in the USA using 2618 aluminum, yielding high tensile strength needed for high-demand performance applications
Race-inspired two-ring design promotes quick revving and throttle response for noticeable power
Designed specifically for Kawasaki KZ900 / KZ1000 Engines to provide optimized performance durability
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
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.
Designed specifically for each engine and use application to provide optimized performance durability

Specifications

2nd Groove Width	0.0485 in
3D Undercrown Milling	No
Accumulator Groove	Yes
Anodize Top Ring Groove	No
Bore Diameter	72.00 mm
Combo 2	No
Compression Height	0.979
Compression Ratio	0.43402777777778
Compression Ratio Actual	10.25:1
Connecting Rod Length	STOCK IN
Contact Reduction	No
Country Of Origin	USA
Cylinder Head	KZ 2 VALVE
Double Pin Oilers	No
DVGP	No
Econo Undercrown Milling	No
EN Plating	No
Engine	KAWASAKI
Engine Displacement	1075
Engine Stroke	2.598 in
Engine Type	ICE
Exhaust Angle	20
Exhaust Depth	.090
Forging Type	Round
Gas Distribution	No
Intake Angle	20
Intake Depth	.125 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	208 gr
Piston Head Type	Dome
Piston Material	2618
Piston Series	JE Pistons
Piston To Wall Clearance	-0.002499 in
Piston Volume	0.00 cc
Product Market	Street
Product Type	Engine Piston Kit
Ring Set - Recommended	XC7200
Ring Set Included	Yes
Ring Set Part Number	XC7200
Second Compression Ring Thickness	0.0485 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	2.050 in
Wrist Pin Material	5115 Low Carbon Steel, Case Hardened
Wrist Pin Outer Diameter	0.669 in
Wrist Pin Wall Thickness	0.120 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.