Quote:

DP4B= dual plane 4 barrel,

easy to find, don't pay more than $75.



Actually it's Dodge Plymouth 4 Barrel (for 383-400) and CH4B is Chrysler 4 barrel (for 413-440).

Not bad at all by test results:
http://www.hotrod.com/techarticles/hrdp_0712_mopar_intake_manifold_comparo/viewall.html


1970PlymouthCuda383
1970AMCHornet2D232
2003TruckmastersOkenosDurangoSlt+
2008DodgeChallengerSRT8