Vibrant Aluminum Joiner Coupling (1.75in Tube O.D. x 3in Overall Length) Sway Bars NRG Quick Release Kit -

NRG Quick Release Kit - Pyramid Edition - New Blue Body / Chrome Gold Pyramid Ring

So how do you choose what stiffness you need for your application

GSC P-D 4G63T Valve Seat OEM Replacement (Set of 16)

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Vibrant Aluminum Joiner Coupling (1.75in Tube O.D. x 3in Overall Length) Sway Bars NRG Quick Release Kit -Vibrant Performance aluminum joiners are manufactured from 6061 aluminum and require minimal surface reparation for tig welding. Vibrant Performance aluminum transitions are useful for creating affordable custom silicone coupling combinations and are commonly used for customer intercooler end tank fabrication or welding hose inlets outlets to aluminum radiators. They are bead rolled and available in outlet diameters ranging from 1. 5 to 4.