Up for sale is an original 1969-1972 Big Block Chevy alternator bracket stud. This is GM part# 3940944 and is found in group# 2.277. This has the correct "CP" embossed on the end as pictured. Correct for the following 396-402-454 Big Block cars: 70-72 Camaro, 70 Nova, 70-72 El Camino, 70-72 Chevelle and 70-72 Full Size cars.