Is this the stock sized stall requiring your stocker being sent in return?
2011 2SS Black/Black
GMPP heads, GPI SS3 VVT, SP 1 7/8" LTs/cats, GPI intake, Vararam CAI, UDP, Yank SS 3600, DriveShaft Shop DS, ADM Cooler, 3.45s
GPI Intake and Cam for sale. PM me if you want either. Going to LS9 and LSA.