http://www.robbmcperformance.com/index.html

these guys were making an adapter that would allow the use of the magnum caps...

i dont see them on their website anymore....
you can email them and see if they still have them.

Tony

70 AARCuda Vitamin C
71 Dart Swinger 360 10.318 @ 128.22(10-04-14 Bakersfield)
71 Demon 360 10.666 @122.41 (01-29-17 @ Las Vegas)
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