Rallynuts single 1/2" to 3/4" aluminium bulkhead reduction hose adapter. These handy bulkhead adapters are CNC machined from aluminium billet to a high quality surface finish. The hose adapters allow a water tight connection for heater hose between the interior space and the engine compartment. Some motorsport regulations state a solid connection, rather than rubber grommets, must be used to pass engine coolant through the firewall.
The plate is designed to be riveted to the bulkhead and prevents the adapter from spinning when tightening the M16 nut on the reverse side. The bulkhead fittings and spacer plate can be polished with very little effort and sealed with sealant or you could make a gasket as desired (not supplied).
What's Included
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1 x 1/2" to 3/4" male adaptor (13mm > 19mm)
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1 x Laser cut aluminium mounting plate
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1 x M16 Stainless steel washer
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1 x M16 Stainless steel nut
