Small Block Chevy Header to head bolts

05-05-2025, 12:31 AM

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I have a couple small cans of header bolts around here. I did prefer the 3/8" hex bolts. They are different lengths too and the longer ones held the torque set better, but they ALL need re-tightening 3-4 times after heat cycles. No memory if they came with header sets, or I bought them aftermarket.

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Mitch
1970 Chevelle SS
1966 Chevelle SS
1967 Camaro ss/rs
1938 Business coupe, street rod
2000 FXSTS, original owner, 13k miles

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Steve Shauger (05-05-2025)

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