RDP Plenum Reinforcing Inserts™ 99.5-03

Part Number:
RDPPRI

Manufacturer:

$42.58
$38.86
(You save $3.72 )
(178 reviews) Write a Review
RDP Plenum Reinforcing Inserts™ 99.5-03

RDP Plenum Reinforcing Inserts™ - Ford 7.3L 99.5-03

These billet 7075 Aluminum plenum inserts are a Riffraff Diesel original design and are patent pending. 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. Fix your bent and crushed stock plenums with our Inserts as well. 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 cfm flow.

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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1999.5-2003 Super Duty, and Excursion Powerstrokes Will Not fit Early 99
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  • 5
    Innovative idea and a great fix for a poor OEM design

    Posted by Dano on Feb 16th 2016

    The machine work and finish on these were great and what an awesome idea to fix a poor design. All this for $40.00. Can't beat these and the time it takes is minimal.

  • 5
    Great product!

    Posted by Travis on Feb 15th 2016

    These worked well, allowed for a lot more ability eo tighten clamp.

  • 5
    Great quality

    Posted by Unknown on Feb 15th 2016

    I bought these because i was pulling the spider for boot replacement. They are very well machined, and make total sense to purchase. I strongly recommend. If are in there for any reason, do yourself a favor. Buy these and prevent future headaches.

  • 5
    Quality product

    Posted by Oldboots 150 Chuck Barnhart on Feb 8th 2016

    It just makes sense to install these when you are upgrading clamps.

  • 5
    ANOTHER GREAT IDEA!!

    Posted by Nick on Jan 26th 2016

    Plenum inserts $39. 4 t bolt clamps $16. 1 day shipping, $5.95. The ability to LOCK DOWN the plenum boots, and have 0 boost leaks...
    PRICELESS. Thanks again RDP for another great product, and awesome customer service.

  • 5
    Great product

    Posted by Rick on Jan 13th 2016

    Installed these as part of my turbo replacement. Installed nicely and ensure no issues when clamping down the new CAC boots from Riff Raff.

  • 5
    Great upgrade

    Posted by Joey Buckingham on Jan 6th 2016

    This is a solid upgrade to do especially when orderin new boots for your plenum,fit is top notch along with quality and fast shipping as always.thanks clay!

  • 4
    Great gift

    Posted by Joyce on Dec 29th 2015

    Gave as a gift and my son was pleased. Customer service was great. If the part installs easily and works perfectly, then it will be even better!

  • 5
    The Cats Meow

    Posted by Ace from the Island of Long on Dec 1st 2015

    A well thought out solution for a inferior factory designed part from Navistar. Riffraff to the rescue once again.