Known as ‘COPO 9560,’ the ZL1 option was designed for drag racing Features an all-aluminum 427 engine derived from Can-Am racers Good condition example will cost $622,000 The ZL1 Camaro came ...

ZL1-equipped COPO #9560 cars are unquestionably the most valuable, especially considering that there are only 69 in existence ...

Two versions of the 427 engine were wrangled out of the factory: COPO 9561 was the Corvette-based L-72 edition with an iron cylinder block and COPO 9560 was the racing-designed ZL1 engine with a ...