This lower shell replaces the lower shell that came with the LSXrt 102mm intake manifold for cathedral port LS truck engines.
See 146602B for complete manifold. Replacement upper shell available under 146100B.
Replacement Lower Shell for 102mm Intake Manifold for 4.8, 5.3 and 6.0L LS Truck
The LSXRT is constructed from a proprietary precision injection
Manifold Lower Shell,LSXRT (Cathedral)
LSXrt Lower Shell for Truck Intake
FAST Manifold Lower Shell LSXR
Engine Intake Manifold
Eng Intake Manifold
LSXrt Lower Shell
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