1. By using cylinder liners the engine's double overhead camshafts and variable valve timing. 2. All gasoline-powered "'MZR "'s feature an all-aluminum block construction with iron cylinder liners . 3. GM specified cast-iron cylinder liners and the cast aluminum pistons included valve clearance. 4. The weakness of Eagle Mk III engines was excessive wear of cylinder liners . 5. It was an all-aluminum design with steel cylinder liners and a 45?bank angle. 6. The engine uses aluminum pistons and cast iron cylinder liners . 7. This engine used cast-iron cylinder liners and a cast-iron head. 8. The small-block's bore spacing is retained, requiring pressed-in cylinder liners . 9. The AJ-V8 was designed to use Nikasil-coated cylinders rather than the more-common iron cylinder liners . 10. The unit's thin cylinder liners cracked and became detached.