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IMPORTANT: The factory downpipe (2001-2004 LB7 only) does not fit aftermarket manifolds and up-pipes
engine will get oil pressure much faster than if the oil is changed at the same time
5" mandrel-bent aluminum intake tube
Additional regulation pressures can be easily obtained by swapping the internal regulator spring
Use in conjunction with the Allen bolts provided in the manifold-up pipe kit
2001-2004 Duramax LB7 Industrial Injection Injector Return Line Bolt Kit (412604) Bolts IMPORTANT: The factory downpipe (2001-20042001 2004 Duramax LB7 Industrial Injection Injector Return Line Bolt Kit (412604) Industrial Injection is The Leading Distributor, Supplier, And Remanufacturer Of Diesel Fuel Systems, Turbochargers, And Engines. Their experience in fuel injection, turbochargers, & engine components is unmatched. Industrial Injection will always deliver the best products for your light, medium, & heavy duty diesel.
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