Porsche Splined Collar – 1 3/4 – 48 SplineSway-A-Way’s Splined collars are steel collars precision broached to common splines. Splined collars are perfect for any application that calls for a custom torsion arm or key. Sway-A-Way’s splined collars give the fabricator complete control over fit and finish and are commonly used for custom sway bar arms, custom adjusters and custom torsion bar keys.Sway-A-Way’s splined collars all feature a 45¬∞ edge chamfer and come in various splines and lengths.More collars are available on our Splined Collars page.Tech SpecsMaterial 10XX Series Steel – Excellent WeldabilityProcesses Machined – BroachedSpline 1 3/4 – 48Pressure Angle 45Diameter 2 1/2″Length 1.25″