as any one used this timing belt kit gtk0237 timing belt component kit its a goodyear gater belt i ordered it because my timing idler pulley is starting to seize up (its making a noise like a super charger and turning blue and i got little flakes of metal on the timing belt) but when i got this goodyear kit the pulley it came with is plastic i dont know if i should trusts it ,so have any of yous used this and do you think i can trust it to last