Aluminium Products have always been a core part of obp Motorsport’s product line up. Over the years they have become world renowned for high quality craftsmanship and reliability. Each obp Motorsport Aluminium Product is handmade in the UK and goes through rigorous quality checks before it gets delivered to your door. Product Information: Dimensions: (H) 7.67', (Dia) 2.55' Inlet: Swaged 1 1/4' (32mm) Push On Outlet: Swaged 1 1/4' (32mm) Push On Extras: Standard Radiator Neck (No Cap) with 0.39' (10mm) Push On Overflow