4 Valve conversion kit 160cc for YX 150

Product Information

4 Valve head kit from OORacing 21 BHP 160cc in stock form

Here is our complete kit with all you will need to convert you stock 2V to 4V

What’s in the kit

1 x Honda port 4 V head complete with 7mm lift cam and race springs Inlet valve 21mm x 2 Ex valve 18.5mm x 2

1 x Top end gasket set

1 x 62mm cylinder kit bored and decked by us at OORacing

1 x 62mm 4V cut piston kit with rings and pin

Please note we can fit the kit to your engine our one of ours.

Price: £459.99 £349.99

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