VW 1600 Based Type 1, 2 And 3 Adjustable Aluminum Push Rod Tubes. Fits 1200 - 1600cc engines. Best for emergency repairs, change damaged and leaking push rod tubes without removing the engine or taking off the head. The tubes have a center o-ring to help prevent oil from leaking and utilizes stock style tube seals at each end. Sold each with seals or in sets of 8 without seals. Replacement o-rings also available.