Xceldyne Valve Springs - Intake - Honda Psimx1905

Single spring, low drag design increases horsepowerSprings can only be used on titanium valvesDesigned for use with most cam grindsPurpose built racing valve spring made from the highest quality Kobe...

Lightweight CNC-machined titanium retainers greatly reduce valve train mass and increase engine rpmIncreases valve spring life over heavier, stock steel retainersPrecision CNC-machined from 8620 case...

Single spring, low drag design increases horsepowerSprings can only be used on titanium valvesDesigned for use with most cam grindsPurpose built racing valve spring made from the highest quality Kobe...

Exhaust Valve Spring for Offroad vehicles Honda -- CRF250 -- (2012, 2014, 2011, 2013, 2010, 2017, 2016, 2015)

Single spring, low drag design increases horsepowerSprings can only be used on titanium valvesDesigned for use with most cam grindsPurpose built racing valve spring made from the highest quality Kobe...