Features: 1.Applicable Vehicle Model: The spline rag joint steering coupler is a replacement for Chevy Corvette Manual Boxes, for 525 Manual Steering Boxes. 2.Applicable Steering Columns Model: The rag joint steering coupler fits for Flaming River, for Ididit, for Billet Specialties steering columns. 3.Wide Compatility: Designed to fit a wide range of steering columns with a 3 or 4 inch DD size on one end and a 3 or 4 inch 30 spline on the other. 4.Fine Workmanship: Manufactured with modern technology, provides excellent performance, perfect for outdated and worn out steering components. 5.High Performance: Allows for a smooth and secure connection between the steering column and the steering shaft, ensuring reliable steering control. Specification: Item Type: Spline Rag Joint Steering Coupler Material: Metal Joint Size :34 DD x 34-30 spline Applicable Steering Columns: Fits for Flaming River, for Ididit, for Billet Specialties Fitment: Replacement for Chevy Corvette Manual Boxes 1968-1983 Fits for 525 Manual Steering Boxes Fits for 605 Power steering boxes Fits for 700 Model Power Steering Boxes 1978 and Later Models Applicable for some after market for 500 600 series steering boxes (Please verify your fitting size before purchase)