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1983-1993 GM Sierra Or Silverado w/ 5/8 Manual Lever
P1 Performance Products Performance Series Race Exhaust System is built from aluminized steel and comes complete with OE style hangers and clamps for an easy installation
The system can also negatively impact performance
The head studs next go through a centerless grinding process to ensure that they are perfectly concentric
then this turbo is meant for you
2001-2004 Duramax LB7 DSP5 Switch (FTDSP5LB7) 1990 1983-1993 GM Sierra Or SilveradoDSP5 Physical Switch LB7 A switch that comes with blue and black wires, specifically used only for LB7. FITS GM Duramax LB7 2001 2004 ADDITIONAL INFORMATION NOTE: The switch is only intended for use with EFILive tunes and specified year above.