Drag Specialties M8 Piston Kit - 3.937" Bore - +.005" - 21900049-005

Elevate your engine's performance and longevity with the Drag Specialties 107" Piston Kit. Engineered for demanding motorcycle applications, this +0.005" oversize piston kit ensures a precise fit and reliable operation, delivering a robust 10.0:1 compression ratio for optimal power.

Description

Designed as an ideal OEM replacement, this Drag Specialties 107" Piston Kit provides superior durability and efficiency for your motorcycle. Each piston is meticulously crafted from a high-quality cast aluminum alloy and features a specialized coating. This advanced coating significantly extends piston life, actively reduces friction during operation, and allows for cooler running engines, contributing to overall engine health and performance. With a bore size of 3.937" and a +0.005" oversize, this kit is perfectly suited for a precise engine rebuild or upgrade. The 10.0:1 compression ratio is optimized to enhance power delivery and engine response, making it a crucial component for riders seeking to restore or improve their engine's capabilities. This comprehensive kit includes two pistons, wrist pins, and clips, providing the core components needed for a professional installation.

Features & Highlights

• Enhanced Durability & Performance: Specially coated pistons extend operational life, minimize friction, and promote cooler engine temperatures for sustained high performance.
• Precision OEM Replacement: Engineered to be an ideal direct replacement, ensuring seamless integration and reliable function within your existing engine setup.
• Robust Construction: Crafted from high-quality cast aluminum alloy, offering exceptional strength and resilience under extreme operating conditions.
• Complete Core Kit: Includes two pistons, wrist pins, and clips, providing essential components for a thorough and professional engine refresh.
• Optimized Compression: Delivers a 10.0:1 compression ratio, designed to maximize power output and engine efficiency for an exhilarating ride.

Technical Specifications

• Units: Kit
• Product Name: Piston Kit
• Piston Material: Aluminum Alloy, Cast
• Bore Size: 3.937"
• Bore Oversize: +0.005"
• Displacement: 107"
• Compression Ratio: 10.0:1
• Vendor Part Number: 21900049-005

Important to Know

• Accepts OEM or Hastings piston rings (sold separately).
• Piston rings are not included with this kit.