Originally Posted by AndyF
It seems weird that Koffel has never tooled up an RB version of that intake manifold. Those heads have been around for 30 years and the RB block is 10x more popular than the B block. They would've paid for the tooling many times over by now.
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Ya but this way they sold intakes AND spacers. Profit on both ends. Lol.

1970 Duster
Edelbrock headed 408
5.984@112.52
422 Indy headed small block
5.982@112.56 mph
9.42@138.27

Livin and lovin life one day at a time