FMF Mini Powercore 4 Slip-on - 2019+ CRF125F/FB klx140g Valve stem shaft diameter IN

Valve stem shaft diameter IN / EX together 4

size – Z50R 88-99 & All XR50/CRF50 Models

This camshaft is for the Race Head only (Not for stock head) – Similar to TBW0189 but more aggressive lift and duration without sacrificing low end torque

Please compare closely to the competitors

TB Parts Cylinder (64mm) - TBW1041

FMF Mini Powercore 4 Slip-on - 2019+ CRF125F/FB klx140g Valve stem shaft diameter INThe Mini Powercore 4 is the best bang for your buck performance bolt on for your mini. Offered as a standard Mini Powercore 4, Closed Course Big Bore System or as a Spark Arrestor Version, the Mini Powercore 4 features a Hi Flo stainless steel core and formed end caps, an aircraft grade aluminum canister. Its pounds lighter than stock and you will swear the motor has been bored and stroked with the first twist of the throttle. Hi Flo Core and End Cap