FK 50# Helper Spring SKU 389-422 $42.00 Quantity discounts available QuantityPrice (0)No Reviews yet Quantity -+ Add to Cart Brief Description FK 50# Helper Spring Details Helper springs are a great way to get transfer to the rear tires when you're looking for more traction. Most commonly ran is a 25# LF spring and 50# R... Brief DescriptionDetails Back Brief DescriptionFK 50# Helper Spring Back DetailsHelper springs are a great way to get transfer to the rear tires when you're looking for more traction. Most commonly ran is a 25# LF spring and 50# RF spring. These springs are 2.250 i.d. and work with the FK Double Adjustable helper kit. Ratings & ReviewsNo reviews availableBe the first to Write a Review