seat plunger springs

[sean]

are the 52 seat post plunger springs that fit into the frame the same as 54 and later...jp cycle has a replacement set for 54 and later but they say wont fit a 52?the springs i need are 51781-52 qty 2 and 51784-52 qty 2...wondering if the length or diameter was changed

[hennesse]

are the 52 seat post plunger springs that fit into the frame the same as 54 and later...jp cycle has a replacement set for 54 and later but they say wont fit a 52?the springs i need are 51781-52 qty 2 and 51784-52 qty 2...wondering if the length or diameter was changed

The parts books show the same -52 springs and other parts used up through 65 or later. The only things that changed (that I know of) were the seat and tee which changed in 54.