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High-quality cast Big Bore Cylinders from Twin Power. Factory style black textured powdercoat finish with highlighted fins. Cast in iron liners for strength and durability and finish honed and ready to run. Includes cylinder head dowels. Increases 107 engines to 124 and 114 engines to 128. Direct bolt-on, requires no machine work to crankcases or cylinder heads! Sold in pairs.
Note
Fits Harley-Davidson Softail 18-later & Touring 17-later
