Feature: 1. Wide Application: Replacement for for Ford vehicles 1991?2004 with 2?valve, 4.6L, V8, 4.6 4V, 5.4 V8, and 6.8 V10 engines; also replacement for Lincoln vehicles with 2V V8 engines. 2. Powerful Function: The arm compressor can remove and replace valve springs, rocker arms, roller followers, and lash adjusters fast and efficiently, without removing the cylinder head. 3. Long Lasting to Use: The heavy duty valve spring compressor is carefully manufactured by high quality steel with black oxide coating, not easy to rust, durable in use. 4. Easy to Use: The valve spring compression tool can easily work for camshafts, valve seals, valve springs and retainers, works with a 3/8in ratchet or breaker bar (not included) for high efficiency. 5. Excellent Performance: The valve spring compressor tool comes with compact size, can be easily used in narrow place, high hardness and reliable performance, bring you more convenience. Specification: Item Type: Valve Spring Compressor Material: Steel Application: Allowing faster and easier servicing of camshafts, valve seals, valve springs and retainers without damaging to the camshaft or camshaft lobes and without removing the cylinder head from the engine. Fitment: Replacement for Ford vehicles 1991?2004 with 2?valve, 4.6L, V8, 4.6 4V, 5.4 V8, and 6.8 V10 enginesReplacement for Lincoln vehicles with 2V V8 engines. Not replacement for Triton 5.4 3V. Package List: 1 x Valve Spring Compressor