It is a 91 gmc 4.8 stock bottom end with head studs fic 1000 injectors custom grind cam 222/231 601/598 112 lsa aeromotive 1000 pump with -8an feed and return 4l80e with transgo shift kit and circle d multi disk 3200 373 gears and psi harness
It is a 91 gmc 4.8 stock bottom end with head studs fic 1000 injectors custom grind cam 222/231 601/598 112 lsa aeromotive 1000 pump with -8an feed and return 4l80e with transgo shift kit and circle d multi disk 3200 373 gears and psi harness
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