BMW/Toyota B58 Single-Turbo Conversion Kit – Simplified High-Power Setup

Description

RK Autowerks B58 Single Turbo Kit – Gen 1 & Gen 2
Take your BMW B58 engine to the next level with the RK Autowerks Single Turbo Kit, engineered for enthusiasts who demand both power and reliability. This complete conversion system replaces the restrictive factory twin-scroll turbo with a fully customizable single turbo setup, delivering 1,000–1,450 wheel horsepower with proper fueling and tuning.

Compatible with Garrett G-Series, Precision Sportsman, and Pulsar turbos, the RK kit gives you flexibility to tailor your build for street, strip, or roll racing.

Base Kit Includes:

• RK Twin-scroll T4 divided manifold
• 2x Turbosmart 45mm Wastegates
• RK 3.5″ stainless downpipe (upper & lower with V-band connection)
• RK dump tubes (x2)
• RK charge pipe system (turbo outlet + manifold connection)
• Silicone coupler & V-band connections
• RK -8AN oil return system (lines, fittings, drain)
• RK -4AN oil feed system (lines, fittings, drain)
• RK coolant feed & return lines
• Turbo studs & gasket

Turbo Configuration:

Compatible with:

• Garrett G-Series turbos (T4 turbine, V-Band compressor outlet)
• Precision Sportsman turbos
• Pulsar turbos

Fitment Notes:

• Fits LHD sedan & coupe chassis only
• Requires modification for SUVs and RHD vehicles
• Customer must provide their own boost control solution

Whether you’re building a high-horsepower daily driver or a dedicated race car, the RK Autowerks B58 Single Turbo Kit delivers the airflow, strength, and configurability needed for modern performance builds.

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