WHAT DOES 454SS SEATS MEAN?

The first key update to the Chevrolet 7.4L major block motor arrived in 1987 with the swap to EFI. These engines had been dubbed the L19 and have been in several Chevy and GMC C/K trucks.someotherguy described: I have already been eyeballing a 1991 454SS That may be a large undertaking. Missing the motor, entrance halt is cracked up, encompasses a