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Feuling Parts Race Series Adjustable Pushrods for Evolution Big Twin 4080 – Enhanced Valve Train Stability and Performance
Regular price $229.95 USD
Category:
Adjustable Pushrods - Race Series® - Evolution Big twin
The Feuling Parts Race Series Adjustable Pushrods (Part Number: 4080) are engineered for high-performance Evolution Big Twin engines, offering superior valve train stability and increased horsepower. Crafted with a wall thickness of 0.145 inches and 24 threads per inch, these pushrods are designed to withstand the demands of race applications and aggressive street use. The double jam nut lock system ensures secure adjustment, preventing loosening during high RPM operation, and maintaining optimal engine performance. These pushrods are compatible with both hydraulic and solid lifters, making them versatile for street and race engines alike. They can be used with factory pushrod tubes, simplifying installation and maintenance. The adjustable length feature allows for up to 0.225 inches of extension beyond stock length, accommodating larger cylinders and smaller base circle camshafts for custom engine builds. The design maintains proper oil flow to the top end of the valve gear, preventing oil starvation and ensuring longevity under extreme conditions. Manufactured in the USA, these pushrods are built to exceed the performance needs of demanding engines, especially when using larger lift cams and high spring pressures. The Race Series is recommended for applications involving extreme spring pressures, providing maximum reliability and engine stability. Please note that installation requires removal of rocker covers and rocker arm supports, and adjustments should be performed with care to achieve optimal engine tuning. Whether for street performance or racing, the Feuling Parts Race Series Adjustable Pushrods deliver precision, durability, and enhanced engine performance for your Evolution Big Twin motorcycle.
Features:
- Maintains maximum valve lift for increased performance
- Increased stiffness and column rigidity for valve-train stability
- Minimal adjustment parameter to eliminate flex and stability issues
- Individual length adjustability to accommodate custom engine setups
- Designed for use with larger lift cams and high spring pressures
- Double jam nut lock system for secure adjustment
- Wall thickness of 0.145 inches with 24 threads per inch for durability
- Compatible with factory pushrod tubes and various lifter types
- Adjustable length extension up to 0.225 inches
- Manufactured in the USA for quality and reliability
- Suitable for street and race engines, including high-performance applications





