Aeroflow SB Ford 289-302 Windsor Air Gap Dual Plane Intake Manifold, Black Finish AF6210-2001 Nissan Silvia S15 Then this could be the

Then this could be the seal that's leaking

54mm Bosch Throttle Body (0 280 750 150)

3L SOHC 16v

Capacity – 1587cc

depending on the rear housing size you can get away with a 50mm

Aeroflow SB Ford 289-302 Windsor Air Gap Dual Plane Intake Manifold, Black Finish AF6210-2001 Nissan Silvia S15 Then this could be the4 5 Day lead time SB Ford 289 302 Windsor Air Gap Dual Plane Intake Manifold, Black Finish 1500 6500 RPM, Square Bore Carburettor Pad, Non EGR PRODUCT CODE: AF6210 2001 Get the maximum power from your carburetted engine with this Air Gap Small Block Ford carburetted cast intake manifold. This dual plane intake manifold is designed to keep your air and fuel distribution going into the engine at a steady and even flow for maximum performance and