The MACE RE-USABLE ROCKER BOLTS TO SUIT ECOTEC V6 & L67 are these the same as a 8.8 grade bolt? Siya March 01, 2024 09:39 They are the imperial equivalent of 12.9 grade bolts. Related articles Do you need the new PCM/memcal if you install high ratio roller rockers and lifters to suit ECOTEC AND L67 V6? 2. Ecotec Bolt-On Package I got the Ecotec/L67 rocker bolts from Mace and I have lost the bit of paper that came with the bolts with the torque settings,do you know what they are? Comments 0 comments Please sign in to leave a comment.
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