XCELDYNE

CNC-machined from 8620 steel Industry first color coded, purpose-built intake-sized and exhaust-sized design Design allows keepers to stay locked at higher rpm. VALVE LOCKS CRF450

CNC-machined from 8620 steel Industry first color coded, purpose-built intake-sized and exhaust-sized design Design allows keepers to stay locked at higher rpm. VALVE LOCKS RMZ450

Offer the off-road enthusiast superior performance at an excellent value Incorporate a high flow design for maximum power and long service life X2 Titanium Valves are full CrN coated for extended...

Made from premium Viton material and offers superior oil control Exhibit the least amount of parasitic drag and wear on the valve, giving greater life of the valve and better power Fit OE valve and...

Made from premium Viton material and offers superior oil control Exhibit the least amount of parasitic drag and wear on the valve, giving greater life of the valve and better power Fit OE valve and...

Made from premium Viton material and offers superior oil control Exhibit the least amount of parasitic drag and wear on the valve, giving greater life of the valve and better power Fit OE valve and...

Made from premium Viton material and offers superior oil control Exhibit the least amount of parasitic drag and wear on the valve, giving greater life of the valve and better power Fit OE valve and...

Built using the same technology as the CV4 Formula 1 buckets Made with proprietary steel for the lightest and strongest part possible Diamond-like-Carbon (DLC) coating substantially reduces friction...

Built using the same technology as the CV4 Formula 1 buckets Made with proprietary steel for the lightest and strongest part possible Diamond-like-Carbon (DLC) coating substantially reduces friction...

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

Single spring, low drag design increases horsepower Springs can only be used on titanium valves Designed for use with most cam grinds Purpose built racing valve spring made from the highest quality...

Single spring, low drag design increases horsepower Springs can only be used on titanium valves Designed for use with most cam grinds Purpose built racing valve spring made from the highest quality...