Rocker Spindles
Part #3327 $

Direct replacement for stock rocker spindles.  9310 aircraft steel.  56 C Rockwell.  Strongest spindles made.  Set of 4.

Pushrod Set
Part #3328E $
 

Chrome-moly, adjustable replacement for stock pushrods for all Evo Big Twin engines.  Guaranteed unbreakable.

Heavy Duty Cylinder Studs
Part #4603B $
 

Cylinder studs for Evo Big Twins are made of heat-treated B7-4140 Chrome-moly steel and are approximately 70% stronger than stock H-D studs.  The studs have rolled threads for maximum strength and ground waisted shanks to prevent stress concentration on the threads.  A superior thread finish allows more accurate torquing.  Set of 8. 

Extreme Applications Cylinder Studs
Part #4603C $

Cylinder studs have 7/16 threads into the case for maximum strength.  Ideal for Supercharged NO_x and can be used to repair crankcases with damaged stud holes.  Set of 8.

Push Rod Tube Keeper Installation Tool
Part #3600 $

A tool that makes it easy to install tube keepers without scratching the chrome.

Head Bolt Set – Chrome
Part #4612 $