It looks like we don't have any community posts for this product right now — Got relevant content to contribute?

About ProX Valve and Spring Kit

ProX Valve and Spring Kit

  • Replaces the OEM valves and valve springs
  • Steel, nitrided valves for increased durability and less wear under extreme conditions
  • Stronger valve springs deal with the extra weight of the steel valves
  • Springs are made from premium chrome vanadium steel for higher performance and durability at high rpm
  • Kit contains a set of steel intake or exhaust valves plus a set of specially designed valve springs; can be installed using the OEM retainers, bases and valve seals.
Get Real Into It.

Sign up for the latest scoop on the products that matter in the motorcycle community.

PureMoto Network

Top brands and retailers together helping you locate and buy motorcycle products.

Search Nearby Retailers

See what is in stock at your local retailer. Put it on hold for pickup today.

Have it Delivered

We find it in stock and deliver to you from the nearest source.

PureMoto Influencers

As seen on Youtube Dirt N' Iron and Bike Builds with Aaron Colton.