Spring. Valve kit. YX 150/160 & Z155. 2 valve. 10% stronger.

Spring. Valve kit. YX 150/160 & Z155. 2 valve. 10% stronger.
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£14.99 £12.49 ExVAT


Product Code: 5097

YX 150/160 & Z155 valve springs 10% stronger 

New option for 1.9mm base shim kit to improve preload.

Specifications OUTER SPRING:
Length:                    29.2mm
I/D                             18.8mm
O/D                           24.0mm
Wire Guage:           2.5mm


Specifications INNER SPRING:
Length:                   24.7mm
I/D                            12.0mm
O/D                          15.6mm
Wire Guage:           1.6mm

When fitted to the Z155 they make a big difference to the top end revs, some cases they and add 2000 rpm more

Product Code 5097
Condition New
Weight 0.05Kg

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