JTC 4423 Porsche 987 981 997 991 Engine Timing Tool Set TT638

🔧 TT638 JTC 4423 Porsche Engine Timing Tool Set

Professional engine timing kit designed for rotating, aligning and locking the crankshaft and camshafts during timing chain replacement and engine repair work on selected Porsche petrol engines.

Manufactured by JTC and supplied with the main camshaft alignment fixture, crankshaft turning adaptors and associated locking components.

✅ Genuine JTC specialist tool set
✅ Used to rotate and align the crankshaft and camshafts
✅ Includes camshaft alignment and locking fixture
✅ Includes crankshaft turning adaptors
✅ Precision-machined components
✅ Suitable for timing chain and engine repair work
✅ Supplied in a protective fitted storage case

📦 Suitable for Selected Porsche Models

Porsche Boxster 987 and 981
Porsche Cayman 987 and 981
Porsche 911 997 and 991

🔩 Tool References

JTC 4423
Porsche 9772
Porsche 9773

📋 Condition

Brand new and unused.

⚠️ Compatibility can vary by model year and engine code. Please compare the required workshop tool references before purchasing.