Look for a set of aluminum L98 heads off of a late 80s TPI vette. You should be able to find a stock set for a few hundred dollars and they will give you a pretty nice gain over your stock heads (as well as shave some weight off the nose of the car).
I just sold a set of those heads with some work done to them along with a Performer intake to another member here who was looking to spruce up his 305 as well.
- Justin
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1999 Camry - Beigemobile DD
2002 Suburban - Wife's DD
2004 Grand Cherokee - Not running / Project / Selling?
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