- Compresses valve springs for quicker, easier camshaft, valve seal, valve spring, or retainer service because you don't have to remove the head from the engine first!
- It's an OEM-approved tool that you use with a 3/8" ratchet or breaker bar.
- Works on: 1991-2004 Ford vehicles with 4.6L, two-valve, V8 engines; 4.6 4V, 5.4 V8 and 6.8 V10.
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