Pro Circuit Valve Spring Kit
The Pro Circuit Valve Spring Kit allows your motor to run at higher rpm’s, and with more aggressive cam profiles without the loss of valve control.
$98.99

Pro Circuit Valve Spring Kit
The Pro Circuit Valve Spring Kit allows your motor to run at higher rpm’s, and with more aggressive cam profiles without the loss of valve control.
| Model | CRF 150R, CRF 250R, CRF 450R, KX 450F, KX 250F, RMZ 450, RMZ 250, YZ 250F |
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