Our Performance 12 point bolt kits are a nice looking option that features grade 8 strength, black oxide coating, and with a price that doesn't break the bank. This kit includes all the bolts you need to attach the transmission bellhousing to the back of the engine block. These kits include the four smaller forward facing bolts, as well as the two larger rear facing bolts. The slightly shorter large bolt goes on the passenger side, while the slightly longer one goes on the drivers side. Custom matching, small diameter washers are also included with this kit.