which is better

[qwerty123]

hi just wondering does anyonbe know the difference between these two cdi boxes

anyone know which one is better?

RACING PRO CDI HIGH PERFORMANE PIT BIKE CRF50 GY6:eBay Motors (item 150391713115 end time Dec-24-09 00:03:59 PST)

RACING HIGH PERFORMANCE CDI 138 150 200CC DIRT BIKE ATV:eBay Motors (item 150394749075 end time Jan-03-10 13:49:03 PST)

 

[tez350]

not sure about brands, but i dont trust those ebay ones. my mate and i both had identical 140s. we had a drag. dead even. he switched to his "ebay race cdi" and he was a tad slower. weird

 

[china boy788]

both do the same thing with removing how high u can rev it but one has a link to show when its sparking as well, good when ur bike dont wanna start