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RDP Plenum Reinforcing Inserts™

2. July, 2012

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These billet 6061 Aluminum plenum inserts are a Riffraff Diesel original. They are made to allow you to clamp down as hard as needed with T-bolt clamps so that you don’t have any boost leaks. This is a budget friendly option to buying full billet plenums. Easy install, no special tools needed.

These were designed so as to add the least restriction possible while providing more than adequate structure for clamping. The Plenum Inserts have been machined to within .164″ of the OEM diameter so there will not be any measurable affect on EGT’s or flow.

Another option that is offered is to have the Plenum Inserts pre-installed in brand new OEM plenums for your convenience. With this option you will recieve 2 new plenums, 2 installed inserts, and a tube of Ford RTV made for this exact application.

These are sold in a pair.

Riffraff Diesel Performance is committed to 100% Made in the USA on this product. All materials are from USA resources. Every machining step is performed in the USA. Every component is assembled in the USA.

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