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These compression releases may be used to ease starting on high-compression engines, especially Stroker flywheelequipped models.
- Releases are activated by pushing on the top before starting, which reduces cranking pressure, and allows the engine to spin over easier
- After the engine starts they automatically close to restore full compression
- Sold in pairs
Note
Fits Harley-Davidson Screamin Eagle Twin Cam Cylinder Heads (except heads equipped with Automatic Compression Release). Installation of these compression releases may require machining of the cylinder head. This operation should only be performed by a competent machinist, or by using Mechanical Compression Release Machining Fixture P/N 94638-08. For race application only.
