My Cart



Pro-X 28.SIS2440-2 Steel Replacement Intake Valve and Spring Kit


Generally ships to addresses in the contiguous United States the same business day if ordered by 12:15PM Central Time!

Material: Steel

Replaces the OEM valves & 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.

Yamaha YZ450F 2010-2013

Please Note: Ships same business day to contiguous US if ordered by 12:15 PM Central Time!

Note: 28.SIS2440-2