You most always replace your head bolt with new ones never reused never reuse the old boats old ones will break when applying torque two bolts right the first time and always use the best products that eBay has to offer
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Never use crappy stock head bolts ever again! Only ARP all the way, never have to redo a head gasket again.
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Not sure why they don't tell people that .? Allows you to safely torque the head an extra 15lbs . Works great with an MLS gasket .
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Tried using them on my d15b bottom end with z6 head it, they were too tall. I guess that’s on my part for not doing more research
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Great product for boosted setup
Verified purchase: Yes | Condition: New
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