Timing is everything in karting, and this Woodruff crank gear key (SKU 555049) guarantees your engine stays in sync, preventing costly misfires that slow you down. Designed for Raptor flathead precision, it slots perfectly to align gears for peak efficiency.

Whether rebuilding or upgrading, its robust shape withstands shear forces, supporting sustained high-RPM runs. Superseded by 690979, it's your ticket to smoother, faster performance.

Frequently Asked Questions

Q: Is this key compatible with my engine?

A: This Woodruff key (555049) is specifically designed for Raptor flathead engines. Please note that this part has been superseded by part number 690979, which is the current standard for this application.

Q: Why is the Woodruff key critical for engine timing?

A: The Woodruff key ensures the crank gear is locked in the exact position on the crankshaft. Even a slight misalignment can cause timing issues, leading to poor engine performance, misfires, or potential internal damage during high-RPM racing.

Q: Should I replace the key during a rebuild?

A: Yes. Because this part is subjected to significant shear forces, it is best practice to install a fresh key whenever you are performing a top-end rebuild or servicing the crankshaft to ensure the gear remains securely seated.

Q: How do I ensure the key is installed correctly?

A: Ensure the keyway slot on both the crankshaft and the gear is clean and free of debris. The key should sit snugly in the slot; if you notice any "wobble" or wear in the keyway itself, the crankshaft or gear may need to be inspected for damage before installation.

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