Ls7 454 1973. Condition is "Remanufactured". Complete over the counter LS7 454 XCH suffix. This would be correct for your Berger or yenko car. Completely disassembled, honed, linehoned, new rings. NOS trw standard bearings. 3521 std std crank. 7/16 dimples. Factory ls7 pistons. Heads have had .004 taken off just to flatten up. 3 angle valve grind with valves lapped in. Long block will be completley assembled with either solid or hydraulic cam depending on your preference. Please refer questions to 5033120983. Thanks