Wossner Premium 4-Stroke Forged Piston Kit - Size B - 13.8:1 - 8921DB

Upgrade your 4-stroke engine with the Wossner 4-Stroke Piston Kit. Designed and manufactured in-house, Wossner ensures top-tier quality and performance. This kit provides enhanced power and reliability for your machine.

Description

The Wossner 4-Stroke Piston Kit features a double-bridged, lightweight forged piston design for optimal strength and reduced weight. Manufactured in Wossner's forging operation, the pistons boast the industry's tightest piston-wall clearances, resulting in a quieter running engine. The moly-coated piston skirt minimizes friction and aids in proper break-in, ensuring longevity and consistent performance. With a compression ratio of 13.8:1, this kit provides a significant boost in power and responsiveness. Trusted by leading Supercross, Arenacross, and MX GP teams, Wossner piston kits deliver race-proven reliability and performance. Installation is straightforward, making it an ideal upgrade for both professional mechanics and experienced enthusiasts.

Features & highlights

• Forged piston provides superior strength and durability for high-performance applications.
• Lightweight design reduces engine vibration and improves throttle response.
• Moly-coated piston skirt minimizes friction and extends engine life.
• Tight piston-wall clearances ensure quieter engine operation and optimal performance.
• High compression ratio (13.8:1) delivers increased power and torque.
• Complete kit includes piston, rings, wrist pin, and pin locks for a hassle-free installation.
• Used by top Supercross, Arenacross, and MX GP teams, guaranteeing race-proven reliability.

Technical specifications

• Brand: Wossner
• Engine Type: 4-Stroke
• Piston Material: Forged, Steel
• Piston Diameter: 76.96 mm
• Bore - Oversize: Standard
• Piston Size: Standard Size B
• Compression Ratio: 13.8:1
• Ring Material: Steel, Cast
• Skirt Coating: Moly Coated
• Stroke Length: 53.60 mm
• Type: Replacement Forged Piston
• Units: Kit

Important to know

Ensure proper installation by a qualified mechanic. Verify compatibility with your specific motorcycle model before installation.