Supercharger Duct Seals/Plates (Updated) – 4.0/4.2

Supercharger Duct Seals/Plates (Updated) – 4.0/4.2. The factory supercharger duct seals can sometimes be sucked inward causing a vacuum leak, check engine light and a loss of power. These new revised seals and plates are designed to actually lock the duct seals into place.

*These fit all Supercharged XJR/XKR 4.0L and the 4.2L XKR from 2003-2006 (US).

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