Big-bore head port/polish

[smittys440]

OK all you guys w/big bore 400ex engines. Who's a good head port/polish place? Stepping my mild 440 up to Wild w/ 12.5;1 superlight, corrello rod, headstuds oversized, and a good port and flow. any suggestions would be greatly apperciated.

[Big - D Racing]

duncan, trinity, curtis sparks, for dirt only, gt thunder, hetrick, lrd, ct, tc, fst....any of those they are all great shops and well-known