TWINPOWER CYLINDER BIG BORE TWINPOWER 486959

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.

• Direct bolt-on, requires no machine work to crankcases or cylinder heads
• Increases 107" engines to 124" and 114" engines to 128".
• Includes cylinder head dowels
• Sold in pairs