Je Pistons Forged Piston Kit for 640cc Engines

Elevate your motorcycle's performance with the JE Pistons Forged Piston Kit. Designed for extreme applications, this high-quality kit ensures superior durability and power output for serious riders and professional competition.

Description

The JE Pistons Forged Piston Kit is meticulously engineered to deliver uncompromising performance and durability for your 640cc motorcycle engine. Crafted in the USA from premium 2618-T6 high tensile forged aluminum, this piston kit is specifically designed to withstand the rigorous demands of professional competition and extreme riding conditions. Its robust Round Forged Design ensures exceptional strength and longevity. Featuring a precise 101.00 mm bore size, which represents a +4.00 mm oversize, this kit is ideal for engine rebuilds or performance upgrades, helping to achieve optimal 640 cc displacement. The advanced flat top piston head shape incorporates smooth flowing radii, eliminating the need for deburring or preparation during installation, saving you time and ensuring a perfect fit. With a high-performance 10.6:1 compression ratio, this high-performance motorcycle piston kit optimizes combustion efficiency, translating into significant power gains and improved throttle response. This complete motorcycle engine rebuild kit comes with everything needed for a seamless installation, ensuring your engine runs at its peak.

Features & Highlights

• Extreme Application Engineering: Specifically designed for professional competition and the most demanding riding conditions, ensuring reliability when it matters most.
• Premium Forged 2618-T6 Aluminum: Machined from high-tensile 2618-T6 forged aluminum for superior strength, heat resistance, and extended lifespan under stress.
• Optimized Piston Head Design: Features a sophisticated flat top piston head with smooth flowing radii, which requires no deburring or preparation, simplifying installation.
• High Compression Performance: Achieves an aggressive 10.6:1 compression ratio, boosting horsepower and torque for a noticeable performance upgrade in your 640cc engine.
• Comprehensive Kit: Each kit includes piston(s), wrist pin, circlip, and rings (unless otherwise noted), providing a complete solution for your engine rebuild.
• Proudly Made in the USA: Manufactured with precision and quality craftsmanship in the United States, guaranteeing a product built to the highest standards.

Technical Specifications

• Product Name: Piston Kit
• Brand: JE Pistons
• Model: JE Series
• Type: Round Forged Design
• Piston Material: Forged 2618 Aluminum
• Bore Size: 101.00 mm
• Bore - Oversize: +4.00 mm
• Displacement: 640 cc
• Compression Ratio: 10.6:1
• Piston Head Shape: Flat Top
• Units: Kit
• Vendor Part Number: 128996