Will the VALVE SPRINGS TO SUIT HOLDEN ECOTEC L36 L67 SUPERCHARGED 3.8L V6 easily rev over 6000? Siya September 15, 2025 04:44 Updated Yes, they will. These valve springs are made from aircraft quality alloy steels to give the best performance. Related articles Which Would You Advise, ‘Stage 2 Comp Cam With Standard Ratio Rockers’ Or ‘Stage 2 Crow Cam With Higher Ratio Rockers’? "Where can I find the 3rd pulley in AUTOMATIC BELT TENSIONER ASSEMBLY TO SUIT HOLDEN L67 SUPERCHARGED 3.8L V6 as my factory tensioner has three pulleys? Do I Need To Upgrade The Pushrods With The High Ratio Rockers? Will I Need New Push Rods? Just wondering if you guys still do twin throttle body set ups for ecotec v6?? And a price if so?? Comments 0 comments Please sign in to leave a comment.
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