408 top end changes, new trick flow heads??

save some $ and get a solid flat tappet cam from Hughes. with your RPM heads and 11.48:1 compression, you should be 10.50's N/A with this cam.
Hughes Engines
save some $ and get a solid flat tappet cam from Hughes. with your RPM heads and 11.48:1 compression, you should be 10.50's N/A with this cam.
Hughes Engines

Going solid roller. But either way a camshaft swap is definitely a must. Should of done it along time ago.