The Retro Cad unit has a 14"x4" paper filter in it and is designed for the Edelbrock , Holly , Q-Jet & Demon carbs.
Its all steel and has a relief for an HEI distributor .
Opps my bad it's $ 128.99 from Speedway
Go with plan B
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Glen & Jane's Rides
‘57 GMC NAPCO Long Bed V8 4 speed Bought 2008
7 other cars & trucks , 5 trailers
'56 Chevy Long Bed I6, 4 speed Bought 1990 Sold 8.22.2020
’56 GMC Suburban Pickup V8, 4 speed Hydramatic Bought 1996 Sold 10.11.2020
My Other Tinkerings
http://67-72chevytrucks.com/vboard/s...75#post8967275