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- - 1.8 Main Cap Bolt (https://www.miataturbo.net/engine-performance-56/1-8-main-cap-bolt-109892/)

FluffyHusky

Oct 18, 2024 08:58 AM

1.8 Main Cap Bolt

Does anyone know the size of the bolt that goes into the crankshaft main caps on the 1.8?

themonkeyman

Oct 25, 2024 02:22 PM

Definitely M12, I think 1.5 pitch, and 65mm length. The part number is B63010352 if you need a replacement, bout $8-10 depending on your mazda dealer.

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