Feuling® 4080 - Race Series Adjustable Push Rods

Race Series Adjustable Push Rods (4080) by Feuling®. Maintain maximum valve lift in your Harley Davidson® XL engine. Increased stiffness and column rigidity maximizing valve-train stability, increasing engine RPM horsepower and torque output. Designed to exceed the needs of performance engines using larger lift camshafts and high spring pressures, while maintaining proper and critical oil flow to top end valve gear. HP+ Fixed Length Chrome moly one piece pushrods 3/8 tube with 0.065 wall thickness and hardened ball ends. Intake length is +0.040 and exhaust length is + 0.060 over stock.

Features

• Individual length intake & exhaust pushrods keep the adjustment extension to a minimum
• CNC machined with 32 thread per inch adjustment, Double jam nut lock system, HP+® pushrod wall thickness 0.095
• Race Series® wall thickness .120- recommended when extreme valve-spring pressures are used. New style 24 threads per inch
• Designed for use with hydraulic or solid lifters and street or race engines
• These pushrods require removal of rocker covers and rocker arm supports
• FEULING® pushrods can be used with the factory pushrod tubes
• Made in the U.S.A.
• Precision engineered to excite you and perform
• Made in compliance with standards for quality
• Respected for unmatched reliability and strength

Feuling® was known as a "skunk work" facility specializing in engine design and development working with and licensing technology to the major manufactures such as Ford™, General Motors™, Harley Davidson™, Chrysler™, Nissan™ and Edelbrock™.