Turbosmart B Frame T4 Divided 0.84AR 70mm Turbine Housing

If you're building a custom turbo system or upgrading your existing setup, a well-chosen turbine housing is key to matching your turbocharger's performance to your engine's needs. This Turbosmart B Frame T4 Divided turbine housing, with a 0.84 A/R ratio and a 70mm inducer diameter, is designed to help you dial in your boost response and powerband. The divided housing design helps keep exhaust pulses separate, leading to improved spool characteristics and reduced exhaust manifold pressure compared to a non-divided housing.

Turbosmart is known for making solid parts for forced induction applications, and this turbine housing is no exception. It's built from cast iron, a material that handles the high temperatures and pressures found in exhaust systems reliably. The 0.84 A/R (Area/Radius) ratio strikes a balance, offering a good compromise between quick spool-up at lower RPMs and sustained power delivery at higher engine speeds. This makes it a versatile choice for many performance builds. The 70mm inducer size is also a common fit for many turbocharger compressor wheels in the mid-size range, allowing for broad compatibility.

When installing a new turbine housing, it's important to ensure proper fitment with your turbocharger's compressor section and your exhaust manifold. Always refer to the turbocharger manufacturer's specifications to confirm compatibility with this housing. Proper wastegate control is also critical for managing boost levels effectively with this component.