These HO scale Kadee 637 truck springs come in a package of 18. They're perfect for all HO trucks except #513 and #555. High - quality springs ensure smooth operation of your model trains. Part number is 380 - 637.

To use these truck springs, simply remove the old springs from your HO trucks (except #513 and #555) and replace them with these new Kadee 637 springs. Make sure the springs are properly seated in their slots. When handling the springs, be careful as they are small and can be easily lost. For maintenance, keep them in a dry place away from dust and moisture. If you notice any signs of wear or damage, replace the springs promptly to keep your model trains running smoothly.