Strange Oval Spool, Full Size, Aluminum, 31-Spline, 10-Bolt, Ford 9" SKU STR-D1513 $169.00 Quantity discounts available QuantityPrice (0)No Reviews yet Number of Pieces Item Custom Price Quantity -+ Add to Cart Details FeaturesManufactured from 7075 T-6 forged aluminumBroached for Ford 31 spline axlesSame spline locations as OEM differentialBlack anodized finishFinal... Details Back DetailsFeaturesManufactured from 7075 T-6 forged aluminumBroached for Ford 31 spline axlesSame spline locations as OEM differentialBlack anodized finishFinal turn operation to ensure accuracyDesigned & machined by Strange EngineeringForged in the USA Ratings & ReviewsNo reviews availableBe the first to Write a Review