Join Date: Oct 2009
Location: Deutschland/Colorado Springs
Mentioned: 7 Post(s)
Quoted: 41 Post(s)
Measure the diameter at the top where the velocity stacks mount and i can tell you. There are really only two possibilities. If it is an SP1, it may have SP2 TB's. The other possibility is HRC TB's off a "complete racer". This is probably not the case, as it would require the HRC ECU, wire harness, tuner box, etc.
Looking at yours, they are SP2 TBs.
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Last edited by gts455; 07-28-2014 at 06:35 PM.