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About Twin Power 4.25in. Big Bore Cylinders for Milwaukee-Eight

Twin Power 4.25in. Big Bore Cylinders for Milwaukee-Eight

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

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