GFB Lightweight Underdrive Crank Pulley Turbo/Supercharger This manifold is very unique

This manifold is very unique in that it’s designed to run an open scroll turbine housing but it’s designed to remove the issues seen in 2 Rotor where the exhaust gas can be pushed back into the other rotor after the exhaust movement

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Styles and sizes are available to fit all popular applications

These are for the people looking at reducing under bonnet temps and protecting other items such as wiring and sensors from the exhaust manifold۪s high heat

GFB Lightweight Underdrive Crank Pulley Turbo/Supercharger This manifold is very uniqueSuits RWD versions of the SR20DET, as found in the S13 S15 200SX Silvia and 180SX. Along with the performance improvement, this pulley benefits high revving engines by underdriving the water pump, which helps prevent cavitation and subsequent overheating when drifting circuit driving. Does NOT suit non turbo SR20 engines or transverse mounted SR20DET. This pulley does require shorter belts which are not supplied, as the required belts will differ