Differences between the "new" SP MK2 and the SP MK2+

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Would not suggest to use the 021 as piston o-ring for the MK2.

I appreciated a lot the work awap did when he started the list with the SP numbers versus generic numbers a while ago.

I got an European Spare Parts Catalog where it shows for a lot of o-rings the generic numbers and materials and added them to awaps list.

Maybe somebody can use this information.......

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i screwed that up almost 15 years agoi and i'm not sure it w2ill ever get completely corrected. -022 is the correct size. The good news uis an 021 will probably work OK. Just a couple months ago, I removed an 021 from a Mk5 I had rebuilt quite a few years ago.