Knowledgebase: GENERAL ENQUIRIES
Does upgrading the valve springs and pushrods is needed once I get 1.9:1 ratio rockers for my VX V6 Commodore ?
Posted by MACE Support on 30 April 2018 11:06 AM
No. However for piece of mind if your engine has done over 250,000kms then you would want to consider replacing your valve springs.

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