Where to get springs

I found a place in Oklahoma, Cannon Race Craft. They were recommended to me by Race Tech in California. You give them your dimensions: length, diameter and the spring rate that you want. I need a .52 rate for my weight. They told me three weeks, and three weeks later they arrived. I didn't want to post until I installed them and raced with them. They worked great! Instead of putting extra fork oil in to keep from bottoming, I went with the stock 8.5 ounces. I was impressed. Race Craft delivered what they promised, in the time frame they promised and at a reasonable price. If you need heavier springs for your vintage bike, I recommend them.

I had custom springs made by Cannon RaceCraft a few years ago for a YZ-powered Yamaha DT50 Enduro project I built. I was very impressed as well. Springs came out perfect and arrived when promised. Have held up well... I definitely second the recommendation!

Please note the calculator for Race tech springs in for a modern bike and way off. Believe me I started with a 50 than trade for 48, traded again 46 and got down
to 44. 44 works I am a big guy (at this time) and 50 is way to much. There is no cost for exchanging springs with race tech

Wow, glad to hear that Cannon is still cranking out springs. I've purchased from Cannon but it's been years now. They were right on the money. Currently I use Race Tech's 44 rate spring for the 40mm fork. And, they're the correct length, whereas the stock Husky spring was too long and installed with too much preload.