Why It Matters
The 1968 AMX 390 engine assembly tracks the first-year X-code 390 branch: 315 hp, 425 lb-ft, four-barrel carburetion, and forged heavy-duty internals that require engine and paperwork checks on individual cars.
Also Known As
1968 AMX 3901968 AMX X-code 390AMX 390 Go Package engine315 hp 390
