02-05-2026, 02:17 PM

66_Cat_Jon 66_Cat_Jon is offline

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Join Date: Jan 2024

Location: High Point, NC

Posts: 22

Straight 7/16 top and bottom to allow adjustable rockers. The reason I mention motor oil is because the Butler torque specs list calls for it, although that's referring to heads with screw-in studs originally.

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