Feuling Motor Company 4083 HP+ One Piece Pushrods 0.165 Wall for Harley Evolution 1985-1999

The Feuling HP+ One Piece Pushrods are engineered to eliminate pushrod flex and reduce valve-train harmonics in Harley-Davidson Evolution engines. These fixed-length pushrods deliver superior strength and durability compared to adjustable quick-install designs, maintaining maximum valve lift for improved engine performance.

Construction and Design:

• Fixed-length 4130 chromoly one-piece construction with swedged formed ends
• Heavy-duty 7/16" diameter tube with 0.165" wall thickness for maximum rigidity
• Precision concentricity with heat-treated black oxide finish
• Stock replacement lengths designed for factory base circle camshaft dimensions

Performance Benefits:

• Eliminates pushrod flex for consistent valve timing
• Reduces valve-train harmonics and hydraulic lifter issues
• Increases valve lift compared to flexible adjustable pushrods
• Compatible with Feuling 543 EVO camshafts and factory cams

Fitment and Installation:

• Fits Harley-Davidson Evolution engines 1985-1999
• Includes intake and exhaust pushrods at stock lengths
• Requires removal of rocker covers and rocker arms for installation
• Compatible with factory pushrod tubes
• Made in the U.S.A.

Feuling highly recommends using one-piece pushrods over adjustable designs to maintain maximum cam and valve lift while reducing valve-train stability issues in performance applications.