When installing a new aluminum intake, I always spray it with clear first. Not a lot,just enough to fill the pores in the aluminum. Polyurathane from a can works fine. Keeps it looking like new for a long time.
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72 GMC Sierra SWB almost finished---- 84 Softail
Olive Branch MS
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72 GMC Sierra SWB almost finished---- 84 Softail
Olive Branch MS
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