From what I understand, that kit has long been discontinued.
You can try calling them to find out -> 866-858-6906
I know when Burien developed the kit, they went under the moniker TRD Northwest.
You're better off researching to build your own setup, as opposed to Burien.
Besides, the Burien kit only produced up to 5-7psi...
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Regards,
Toyrolla
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88 I4 Slushie *sold*, 89 I4 5Sp *sold*, 89 V6 5Sp *sold*, 82 Corolla, 72 Datsun 510, 88 Toyota Minitruck.