Introducing the E-Z Trench 8420 belt tension spring, the perfect solution for keeping your equipment running smoothly and efficiently. This high-quality part is designed specifically for the E-Z Trench brand and part number 8420. With its durable construction and precise fit, you can say goodbye to engine troubles and focus on getting the job done. Don't let a faulty tension spring slow you down - upgrade to the E-Z Trench 8420 and experience the difference. Order now and experience peace of mind knowing your equipment is in top condition. Trust E-Z Trench for all your landscaping needs.