Feuling Race Series Adjustable Pushrods (4070)

• Can be used with hydraulic or solid lifters and street or race engines; "Race" Series recommended when extreme spring pressures are used.
• Designed to exceed performance engine needs using larger lift cams and high spring pressures while maintaining proper and critical oil flow to top-end valve gear.
• Made from CNC-machined 7/16" tapered 4130 chromoly steel tube; 32 thread per inch adjustment.
• Individual length intake and exhaust pushrods keep the adjustment extension to a minimum.
• Minimal adjustment parameter eliminates flex and loss of valve-train stability problems Double jam nut lock system.
• Made in the U.S.A.
• Maximizes valve-train stability to increase engine rpm, horsepower and torque output.
• Fueling pushrods can be used with factory pushrod tubes.
• Maintains maximum valve lift; increases stiffness and column rigidity.
• Race Series wall thickness of .120".

NOTE: Require removal of rocker covers and rocker arm supports.