my chevy dealer and a local gear shop quoted me $700 for labor only. Id say $1250 for parts and labor to install in car is a good price.
2012 2SS/RS M6 SIM, Painted Carbon Flash rally stripes, Elite CC, 3.91 gears, New Era ported TB, OTR, and Dyno Tune, Heritage Grill, Pat G Cam Motion cam, 25%Fluidampr, Melling 296 Oil pump, Katech C5-R chain, Cloyes LS2 HD tensioner, PAC 1205x springs and Comp Cams trunions. ARH 1 7/8" LT headers w/cats, TWM full Shifter, BMR sways, trailing arms, toe rods, delrin cradle bushings, BK039 rear control bushings, front bushings. Solo Mach-XL exhaust