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S&S Cylinder Heads (Evolution, Big Twin 1984-Later)

  • Model: F62497
  • Shipping Weight: 30lbs
  • Manufactured by: S&S

S&S Super Stock for Big Twin 1984-later. S&S cylinder heads are cast from a premium material developed for air-cooled aircraft cylinder heads. A closed, high-quench combustion chamber design requiring matched piston dome and combustion chamber shapes contributes to optimum combustion chamber/cylinder flow characteristics during the filling, combustion, and exiting cycles. The diameter of the intake port on S&S cylinder heads measures 1.780 inches, about .150 inches larger than stock. Standard S&S intake valve diameter is 2 inches. Heads can be used with 3 1/2 inch or 3 5/8 inch bore cylinders, 1984-later, bottom breather or head breather. Kit includes front and rear cylinder heads completely assembled with guides, valve seats, valves and springs. Pistons sold separately. Manufacturer

This product was added to our catalog on Tuesday 30 November, 1999.

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