dvigatel' auto.

[Lina_T]

Пожалуйста, помогите перевести.
речь идет о двигателе автомобиля

1. direct-acting shimless mechanical bucket tappets

контекст:
Valve System: Chain-driven DOHC, 16 valves, electro-hydraulically controlled dual Variable Valve Timing, direct-acting shimless mechanical bucket tappets

2. Construction High-pressure die-cast aluminium block with dry iron liners, cast aluminium cylinder head, cast aluminium ladder frame, forged steel crankshaft

Заранее спасибо!