Xceldyne Technologies

XREM12001

Xceldyne Exhaust Spring Retainers XREM12001

SKU: 230500-2

Roto Caps & Spring Retainers

Lightweight CNC-machined titanium retainers greatly reduce valvetrain mass and increase engine RPM
Increases valve spring life over heavier, stock steel retainers
Use in conjunction with most stock springs and all of CV4s racing valve springs
When used with Xceldyne machined valve locks, you have a perfect retainer/lock/stem fit for unprecedented high-rpm valvetrain control
Sold as a set of 2

Lightweight CNC-machined titanium retainers greatly reduce valvetrain mass and increase engine RPM
Increases valve spring life over heavier, stock steel retainers
Use in conjunction with most stock springs and all of CV4s racing valve springs
When used with Xceldyne machined valve locks, you have a perfect retainer/lock/stem fit for unprecedented high-rpm valvetrain control
Sold as a set of 2
Fits stock springs

This Item Fits the Following Applications:
2010-2011 Honda CRF250R
2008-2009 Honda CRF250R, Fitment Notes: All 08-09 CRF250R valvetrain components are the same as the 04-07 models except the stock exhaust valve stem diameter is 4.5mm. To use our titanium exhaust valves in the 08-09 models you will need to replace the exhaust guides, valve locks (cotters), and the retainers with the 04-07 model components listed below. Please contact your CV4 representative with any questions.


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