Bolt Size for Yella Terra's?
It may be easier to order a new GM set from a vendor that discounts them. I ended up with a longer length due to the required shims to correct the wipe pattern on mine and mine are now socket head cap screws and not a hex head like the stock bolts.
+1. when i was playing around with the rockers i found a GM set on ebay that was much cheaper than getting them from a dealer. the longer ones i used with the RHS heads/spacer/Yella Terras i got from McMaster Carr. they are socket head cap screws as vettenuts describes.
Mine were M8 X 1.25 X 50mm (length) socket head cap screws but mine were also bought longer due to the shims I need under the rockers. If you have no shims or thinner shims my length may be too long.
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