rcb rb5 or rb8 for daily driver?

So recently nalubak ako and unfortunately na bengkong yung mags ko and I was thinking na palitan nalang yung mags instead of ipa repair. Hoping for a second opinion on rcb mags kung sino man may experience sakanila if goods ba pang daily driving and which one is more durable rb5 or rb8. Mio gear nga pala motor ko ty!