Top End Kit R100 '77-'78 Stock and '77-'80 Siebenrock Cylinders
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Code: TopEnd77-78
Price: $71.52
Description
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A complete top end kit for your '77 - '78 R100
Includes:
- 4 pushrod seals
- 4 cylinder stud 0-rings
- 2 head gaskets
- 2 valve cover gaskets
Stock and Siebenrock compression is 9.5:1 which can cause pinging with today's gas requiring either dual plugging or installing low compression base gaskets which would lower the compression from 9.5:1 to 8.8:1.
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