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Bolt, 5/16 UNF x .75 Inches, Mini Short Subframe Trunnion & Other Applications

For up to Mini Mk IV use one (1) for each front trunnion and one (1) for each rear trunion or a total of four (4) per car. For Mk IV on, use none on the front trunnions and one (1) for each rear trunnion or a total of two (2) per car. Bolt is 5/16" UNF x .75".
See SH605181 for long bolt.

Also used to secure the front engine plate to the block on all A-Series blocks plus many other applications.

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Question:

Do the engine mounts with the captive nuts (PN: 21A1902ST) come with the required bolts for said nuts? If not, what size bolts will be required?

Answer:

Here are the bolts you need:
https://www.minimania.com/part/GHF120/Classic-Mini-Rear-Subframe-Trunion-Bolt-Short-Plus-Front-Plate-Bolt
You'll need four (4), two (2) for each side. Here's a link to the catalog page, see nos. 7 & 8:

https://www.minimania.com/catPage/2-45/2/45/0/Engine-Mountings--Brackets

Mini Mania Tech Team

The Classic Mini Parts and Accessories Experts