- 4-1/8" Bore Forged Piston Set for 4-1/8" Stroke
- +.020" Oversize, flat top
- 1984 - Up big twin
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- 4-1/8" Bore Forged Piston Set for 4-1/8" Stroke
- +.010" Oversize, flat top
- 1984 - Up big twin
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- Moly Faced Piston Ring Set
- 3-7/8" Bore
- Standard and Oversize
- 2007 - '09 Big Twins
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- Moly Faced Piston Ring Set
- 3-7/8" Bore
- Standard and Oversize
- 1999 - Up Big Twin
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- Moly Faced Piston Ring Set
- 3-7/8" Bore
- Standard and Oversize
- 1999 - Up Big Twin
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- Moly Faced Piston Ring Set
- 4-1/8" Bore
- Standard and Oversize Options
- 1984 - Up Big Twin
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- Chromoly Faced Piston Rings
- 4" Bore
- Standard and Oversized.
- 1999 - Up Big Twin
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- 4" Bore
- Standard and Oversize
- 1984 - 1999 Big Twin & 1986 - 2003 XL
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- For S&S 4-1/8 Inch Bore Pistons
- .927" X 2.825"
- Requires C-Clip Retainer
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- For S&S 3-7/8 and 3.927 Inch Bore Pistons
- 1999–'11 Big Twins
- .927" X 2.250"
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- For .927 inch wristpins
- C-clip style
- For S&S Pistons
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- C-Clip Wristpin Keeper
- .927"
- 2 Pack
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