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Engine Big Bore & Stroker Kits for 1981 Harley-Davidson FXB Sturgis

Your bike1981 Harley-Davidson FXB Sturgis

Bike Specific Fits Bike Does Not Fit
S&S Cycle 3-5/8" Big Bore Cylinder and Piston Kit

Special Price $1,796.36 Regular Price $1,995.95
/ kit

In stock
Bike Specific Fits Bike Does Not Fit
S&S Cycle 3-7/16" Bore Cylinder and Stroker Piston Kit - Big Twin

Special Price $1,796.36 Regular Price $1,995.95
/ kit

In stock
Bike Specific Fits Bike Does Not Fit
S&S Cycle 93" Sidewinder® Big Bore Stroker Engine Performance Kit- High Compression

Special Price $3,416.36 Regular Price $3,795.95
/ kit

In stock
Bike Specific Fits Bike Does Not Fit
S&S Cycle Top End Kit - 3.500" Bore - 80" Big Twin '79-'84

Special Price $3,293.96 Regular Price $3,659.95
/ kit

In stock