CNC machined from billet aluminum and finished in a clear anodize. Designed specifically to mount the MSD Pro Power, HVC and HVC II coils (sold separately) directly to the cylinder head. The SB-Chevy bracket mounts the coil to the front drivers or rear passenger head while the BB-Chevy bracket mounts to the front or rear of either cylinder head. Includes 3/8" aluminum spacers and stainless bolts to mount the bracket to the cylinder head. MSD includes the hardware to attach the coil to the bracket with their coils. Made In USA

Fits MSD coil numbers: 121-8201, 121-8251, 121-8252 and 121-8253.