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have you seen this comparison between Edlebrock Performer RPM left and Edlebrock Victor right - simialr to Speedmaster Head PCE281-2140 i am courios how the engine will work with that setup - 451cui RB - CR=10.5 - Speedmaster Head PCE281-2140 - Edelbrock Performer RPM Intake - Edelbrock...

Intake port after some porting, i think more nice to have

Hey Kim, Thanks so i have removed the valves looking at the pure casting... look s very good. especially the inlet port fits absoutely exact to the Intake sealing, bettet then my Edlbrock E-street heads did before porting. here some picture after "home porting" One Question, which valves and...

Hey Kim, Thanks, has he ben using also the speedmaster Valves and springs, or have they been repalced? what might be the RPM limit with a out of the Box Speddmaster Head eg. PCE281-2140 ? Greetings from germany. Markus

Hey how are your long term expereince with the speedmaster heads?

Hey does any body have long term experiences wiht Speedmaster Cylinder Heads PCE281-2140.. used on a Mopar Big block engine ? I am building up an 440 RB Engine and want to built them on...