Cylinder Heads & Valvetrain

Features Made from bearing quality steel, precision centerless ground 66% stronger, preventing damage from radical cam profiles Direct replaceme...

Features 0.4375" diameter chromoly steel for maximum strength Made in the USA Notes Rocker boxes must be removed for installation or removal. Co...

Features Positive O-ring seal ensures leak-free operation Includes rocker boxes, gaskets and mounting bolts Rocker arm supports included Made in t...

Features Positive O-ring seal ensures leak-free operation Includes rocker boxes, gaskets and mounting bolts Rocker arm supports included Made in t...

Features Electric compression releases open when you press the start button and close when the button is released Kits include the required parts...

Features Designed specifically for S&S® T-Series T2 long block engines for Harley Davidson® big twins and engines with S&S® 4-1/4" bore Ho...

Features Made from bearing quality steel, precision centerless ground 66% stronger, preventing damage from radical cam profiles Direct replaceme...

Features Rocker Arm shafts, Rocker Arm Stud Kit, Head Bolt Kit and Performance Roller Rocker Arms are included in this kit Rocker Arm Shafts Rep...

Features Features revolutionary design - allows quicker, easier installation without the removal of the rocker covers Threaded adjuster screws int...

Features Features revolutionary design - allows quicker, easier installation without the removal of the rocker covers Threaded adjuster screws int...

Features Features revolutionary design - allows quicker, easier installation without the removal of the rocker covers Threaded adjuster screws int...

Features Kit includes four S&S adjustable pushrods, four pushrod covers and O-rings Pushrods are manufactured from chromoly steel for superior...

Features Kit includes four S&S Quickee pushrods, four pushrod covers and O-rings Pushrods are manufactured from chromoly steel for superior st...

Features Kit includes four S&S Quickee pushrods, four pushrod covers and O-rings Pushrods are manufactured from chromoly steel for superior st...

Features Kit includes four S&S adjustable pushrods, four pushrod covers and O-rings Pushrods are manufactured from chromoly steel for superior...

Features 0.4375" diameter chromoly steel for maximum strength Made in the USA Notes Rocker boxes must be removed for installation or removal. Co...

Features Pushrods adjust from 9.500" to 11.500" 9 mm diameter provides superior strength and durability Removal of rocker boxes is not required Ad...

Features .4375” diameter pushrods adjust from 8.750" - 10.750" Removal of rocker boxes is not required for installation Adjusting end is a huge .3...

Features Kit includes four S&S Quickee pushrods, four pushrod covers and O-rings Pushrods are manufactured from chromoly steel for superior st...

Features Hydraulic valve train conversion kit for Shovelhead engines with S&S® rocker arms Fully engineered to utilize Evolution lifters and c...

Features Rollers have a larger-than-stock inner bearing race that reduces stress and increases axle life Each lifter body and plunger assembly is ...

Features Precision-machined and heat-treated bodies Premium-quality anti-pump-up hydraulic inserts Eliminate noise from the mechanical valve tra...

Features Precision-machined and heat-treated bodies Premium-quality anti-pump-up hydraulic inserts Eliminate noise from the mechanical valve train...

Features An economical solution for stock rebuilds, and mild performance upgrades Forged from 8620 steel for greater strength than stock or cast s...