How long will 525's last??
#21
Platinum Member
Platinum Member
on both my 06 formula 400ss and 08 cigarette i had just over 400 hrs on them before doing top ends, all four motors looked great but the valve springs were weak so probably would not have made 500
the formula had a real easy life for the most part the Cig not so much
the formula had a real easy life for the most part the Cig not so much