- 3-5/8" Bore
- Pistons Included
- 9.75:1 Compression Ratio
- Choose Kit & Finish
- 1984-1999 Big Twin Models with Stock Heads
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- Flywheel Rebalancing is Not Required
- Yields 80 Cubic Inches at 10.1:1 CR
- Choose Model Year & Finish
 (1)
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- Made To Order
- Economical
- Options Available
- 1984-1999 Big Twin Models
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