mattd860 162 #1 Posted November 30, 2010 My K301 is about 40 years old and I suspect the valve springs are original. Should I replace them while I'm replacing everything else (valves, piston, rod, etc)?? Or do they generally not go bad? Share this post Link to post Share on other sites
MalMac 1,328 #2 Posted November 30, 2010 Yes they can get week and break. I would replace them since you are already into the motor. Kind of like the old Fram commerical "You Can Pay Me Now Or Pay Me Later" Share this post Link to post Share on other sites