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ok. i was going to be buying a 2035mr rrfpr today, but after talking with corky bell, he said that it would be about 1.5 months until his machine shop could get the parts together for it. he convinced me to go with the 2025 rrfpr that he makes and go with a seperate 1:1 regulator that will be...

What are the differences between the 1j and 2 j heads? do they flow different amounts? Bolt patterns? Is there a big twin kit out for the 1j? will a 2j big twin kit fit? just some Qs THANKS alot ps I tried asearch so dont rage I found mostly stock twin conversation