Anyone sell restrictor plates for mac headers?

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Dec 3, 2004 | 02:37 PM

98Z28MASS

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From: Massachusetts

Anyone sell restrictor plates for mac headers?

H8i, im just wondering if anyone sells the two metal restictor plates for 98 mac headers. i know I can just make them, but I dont have the time or ambition to make them so im just wondering if anyone sells them online? Thanks!

Dec 3, 2004 | 02:48 PM

98Z28MASS

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From: Massachusetts

I realized that the A.I.R. block-off plates are the same size and shape as the restrictor plates so could I just buy a set of block-off plates and drill a restrictor plate hole in the middle?

Dec 3, 2004 | 03:17 PM

Kyle C

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From: Sanford NC

What is the is the benefit of a restrictor plate?

Dec 4, 2004 | 09:05 AM

Bad30th

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From: San Diego, CA

AIR blockoff plate is the same size, but has no hole in it.

Restrictor plate has about a 5/16" (?) in the center.

They restrict the amount of pressure against the AIR valve from the better flowing headers, causing them to not "tick" and/or fail.

I got mine online from PACE performance, board sponsor, about $18 if I remember correctly. They have lasted through many header installs/uninstalls.