143" | 139" Monster Big Bore Kits / M8 Motors

Unleash extreme power with the Revolution Performance 143" - 139" Monster Big Bore Kits for M8 Motors, specifically engineered for motorcycle enthusiasts who demand the highest levels of performance and durability. This kit is perfect for transforming your M8 motor into a formidable powerhouse.

Key Features:

• Aerospace-Grade Aluminum Cylinders: Crafted from aerospace-grade all-aluminum, these cylinders feature a nickel-silicon-carbide (NSC) electroplated bore, eliminating the need for sleeving and allowing for larger bore sizes.
• Enhanced Engine Efficiency: NSC-plated cylinders reduce friction, which not only boosts horsepower but also lowers engine temperatures, contributing to a longer engine lifespan.
• Comprehensive Kit Components: Each kit includes a pair of NSC-coated bore cylinders, custom-forged pistons with high-tension rings that are specifically designed for NSC cylinders, and a complete head/base gasket set to ensure a seamless fit and optimal performance.
• Installation Requirements: Note that monster big bore kits will require case boring to install, and upgrading cylinder studs and head bolts is recommended to handle the increased power.
• Maintenance and Upgrades: Replacement gasket sets are available separately, allowing for easy maintenance. This ensures your engine continues to perform at its peak capability.
• Made in the USA: Manufactured with precision and pride in the USA, ensuring that you’re getting a product that stands up to the rigorous standards of American engineering.

The Revolution Performance 143" - 139" Monster Big Bore Kits are ideal for riders looking to maximize the performance of their M8 motors. Prepare for a transformation that promises not just more power but also a significant enhancement in your bike's overall performance and reliability.