Aeroflow 04S Compact Distribution Block AF456-01-04S RX-8 The kit includes replacement diaphragms

The kit includes replacement diaphragms

suit Holden 253-308 with small bearing water pump

Requires only 20mm (25/32") of intake manifold clearance

Suit Subaru EJ20 and EJ25 (4 Pack)

Aeroflow 04S Compact Distribution Block AF456-01-04S RX-8 The kit includes replacement diaphragms1 In 4 Out, All Ports 1 8&quot NPT, Silver Finish Aeroflow Performance has designed these compact distribution blocks for universal applications. Such as a vacuum block distribution to plumb up additional vacuum ports for accessories like MAP sensors, boost gauges, blow off valves, or hooking up individual throttle bodies. Coolant lines for header tanks or LS steam pipe lines and nitrous oxide lines. Available with 1 port in and 4 ports out and 1 port