O.S. Speed Adam Drake 4 (AD4) Engine/75mm Header/TB02-2090SC Pipe Combo Set (with or without Drake Break In)

O.S. Speed Adam Drake 4 (AD4) Engine/75mm Header/TB02-2090SC Pipe Combo Set (with or without Drake Break In)

Brand: O.S. Speed
SKU: OS-AD4-75-TB02-2090SC-DrakeIN
915.90 CAD Out of stock Buy at Merchant

The O.S. SPEED B21 ADAM DRAKE 4 engine is a refined version designed with Adam Drake’s specifications for enhanced balance, torque, and power.

  • The description claims the engine improves balance, torque, and power.
  • The description claims the cylinder liner features a new 3-port design.
  • The description claims modifying the crankshaft bore diameter improves low-to-mid-range response.
  • The description claims the outer head features a two-tone anodized finish with blue sections.
Specifications
Drake Break In
Yes Drake Break In, No Drake Break In
Variants (2)
  • Yes Drake Break In — 986.90 CAD — Out of stock
  • No Drake Break In — 915.90 CAD — Out of stock

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