JE Pistons 125083 Forged Piston Kit for Kawasaki KZ900/1000 72mm Bore 8.5:1

The JE Pistons 125083 is a complete high-performance forged piston kit engineered specifically for Kawasaki KZ900 and KZ1000 motorcycles (excluding J models). This kit features a 72mm bore size with +2mm oversize, increasing displacement to 1075cc, and delivers an 8.5:1 compression ratio ideal for street and performance applications.

Premium Forged Construction:

• Machined from 2618 T6 high tensile forged aluminum alloy for superior strength and durability
• Lightweight design at 195 grams per piston for reduced reciprocating mass
• CNC-machined to precise tolerances for consistent performance
• Round skirt style optimized for Kawasaki applications
• Dome design features smooth flowing radii requiring no deburring or preparation

Complete Kit Includes:

• Four forged pistons (complete engine set)
• Piston rings (Part Number XC7200)
• Wrist pins (Part Number 669-2250-11-52C)
• Piston circlips (Part Number 669-050-MW)

JE Pistons are engineered for extreme applications including professional competition, utilizing advanced forging technology and CNC manufacturing processes. This kit is designed for Kawasaki KZ900 (1973-1980) and KZ1000 models including KZ1000C Police, KZ1000E, KZ1000G Classic, and KZ1000 Lawson variants through 1983. Perfect for engine rebuilds requiring cylinder boring to 72mm or resleeve applications.