PISTON KIT VERTEX 66.4 D YAMAHA YZ/WR 250 99-22 PRO RACE, VERTEX 22645D SINGLE RING
Vertex UK piston kit 22645D. All Vertex pistons feature standard pistons and components that are OEM replacements. Kits include piston, rings, wrist pin and circlips. All pistons are heat treated with a T-5 or T-6 hardening and tempering cycle. Replacement rings are sold individually. Made in Italy. Fitted in many OEM bikes as standard. Bore size 66.40mm [D 66.37mm]. Replacement parts: Rings 53010006640, Pin 715372, Clips 72074. Cross reference numbers: Piston (Std) UR RED 1P8-11631-00-A0, Piston (Std) UR ORANGE 1P8-11631-00-B0, Piston (Std) UR PURPLE 1P8-11631-00-D0, Piston (Std) UR GREEN 1P8-11631-00-C0, Piston Ring Set (Std) 5CU-11603-10-00, Pin Piston 5UP-11633-00-00, Circlip 93450-19052-00. Model: Pro Race Single Ring.
- SKU
- 22645D
- Brand
- Vertex
- Availability
- In Stock (1)
FULL DESCRIPTION
Vertex Pro Race Single Ring Piston Kit
This Vertex Pro Race Piston Kit is designed for high-performance engines, offering a reliable replacement for standard pistons and components. Manufactured in Italy, Vertex pistons are renowned for their quality and are fitted as standard equipment in many OEM motorcycles.
Key Features:
- OEM Replacement: Standard pistons and components designed to meet original equipment specifications.
- Complete Kit: Includes piston, rings, wrist pin, and circlips for a full engine rebuild.
- Heat Treated: All pistons undergo a T-5 or T-6 hardening and tempering cycle for enhanced durability and performance.
- High-Quality Manufacturing: Made in Italy by Vertex, a trusted name in performance engine components.
- Single Ring Design: Optimized for performance applications.
Specifications:
- Bore Size: 66.40mm (Nominal)
Replacement Parts Available Separately:
- Rings: 53010006640
- Pin: 715372
- Clips: 72074


