TracTuff P75 Billet Water Neck w/ Swirl Tank

TracTuff P75 Billet Water Neck w/ Swirl Tank

$279.95

B18A, B18B, B20A and B20Z engine swirl tank. 

The swirl tank starts with a beautifully machined 6061-T6 flange that incorporates a 3D tapered entry port for a seamless transition to the tubing that is routed to the tank. The tank placement clears the distributor and the outlet still exits similarly to the original location. Customers have shared that the upper hose can be modified to work. You can chose from a list of options to make the product as unique as your project; including outlet position, accessory ports for aftermarket sensors and/ or turbo and wastegate feeds, and radiator cap bung types.


About the radiator cap bungs... the domestic style has a 1/8" NPT port and the import version has a 1/16" NPT for connection to an overflow. The domestic version uses any early model (mid 70's through late 80's Chevy) cap and the import version uses early model Honda (88'-91' Civic/ CRX and 90'-93' Integra) cap. 


NOTE: Made to Order... usually a 2-3 day lead time - Contact before ordering if you need a firm ETA -  If you are interested in a specific design that varies from this, please email us at sales@tractuff.com. If using AN lines we also recommend designing the upper radiator hose so that there is droop/ give so the engines movement and does not push/ pull on the radiator and fatigue any parts. The tank is welded so that it sits level when bolted to an engine leaned forward 6° (exhaust side).


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