Replacement Upper for Stock Lower?

Jesse@MBRP

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Authorized Vendor
Joined
Jun 9, 2004
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Location
Lexington KY
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I have a friend who's looking for a replacement upper plenum for his stock internal 5.0. The reason he's only looking for an upper is because of the class he'll be running in doesn't allow anything removed from the heads and the upper, because of a techinicality, can be replaced on these cars. The only one I know of is the old Comp Powerbox...but is there anything else I should point him towards.

The car is sprayed with a 150 wet shot, UDP, Shorty Headers, Off Road H Pipe, Smog Pump Eliminator, 4:10 Gears, World Class T5, Accufab 70mm TB/EGR, and the rest is un touched.

Suprisingly the car is pretty quick for what it is already...but of course he desires more.
 

Jesse@MBRP

Authorized Vendor
Authorized Vendor
Joined
Jun 9, 2004
Messages
5,200
Location
Lexington KY
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