Mopar Chrysler 170 198 225 Slant 6 Chrome Steel Valve Cover - 4 1/2" Tall w/Hole You need guideplates to keep

You need guideplates to keep your pushrods from deflecting under high-rpm conditions

and designed with a 10 degree taper

they also provide your engine with cleaner air for better performance

These Speedmaster valve springs are better-designed valve springs using state-of-the-art machinery for purpose-built racing engines

The Speedmaster throttle body begins as a billet of 6061- T6 aluminum for superior quality and is introduced to a state-of-the-art CNC machine

Mopar Chrysler 170 198 225 Slant 6 Chrome Steel Valve Cover - 4 1/2" Tall w/Hole You need guideplates to keepDress up your engine compartment without breaking the bank. These Speedmaster valve covers are an affordable and easy way to brighten up your engine.