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James L Miller · 11-14-2011, 11:01 PM

A. Cylinder Heads, Aluminum
Head casting number 452 is complete with valves and springs (2.14" intake and
1.81" exhaust). Flow is 290 cfm intake and 217 cfm exhaust at .600" lift. These
ready-to-bolt-on Heads use a straight plug design so you can use stock exhaust
manifolds or many popular aftermarket headers. 361 and 440 Engines
1 P5153524 Cylinder Head, Aluminum, Includes Valves and Springs,
Straight Plug, 84cc, 2.14" Intake / 1.81" Exhaust, "B/RB"
Engines

Anyone understand why MP made this head? It has the 452 casting number on the runner, then has oversized valves? Why didn't they make one with stock size valves? It would be easier to make it legal with stock size valves.

11-14-2011, 11:01 PM	#8
James L Miller Member Join Date: Apr 2005 Posts: 494 Likes: 6 Liked 25 Times in 16 Posts	Re: Edelbrock aluminm Mopar heads legal ?? A. Cylinder Heads, Aluminum Head casting number 452 is complete with valves and springs (2.14" intake and 1.81" exhaust). Flow is 290 cfm intake and 217 cfm exhaust at .600" lift. These ready-to-bolt-on Heads use a straight plug design so you can use stock exhaust manifolds or many popular aftermarket headers. 361 and 440 Engines 1 P5153524 Cylinder Head, Aluminum, Includes Valves and Springs, Straight Plug, 84cc, 2.14" Intake / 1.81" Exhaust, "B/RB" Engines Anyone understand why MP made this head? It has the 452 casting number on the runner, then has oversized valves? Why didn't they make one with stock size valves? It would be easier to make it legal with stock size valves. __________________ Mopar 2 Ya!