1. Manufactured from forged aluminum through mechanical processing. 2. Complies with Japanese modified car specifications, featuring red/gunmetal appearance treatment. 3. Adjustable within a range of plus or minus 20 degrees. 4. Suitable for deeply modified engines. 5. High - performance camshaft. 6. Tested on a dynamometer to potentially increase horsepower. 7. A replacement part for performance improvement. 8. When ordering this kit, it is advisable to carefully check the dimensions. 9. It is recommended that professional installers conduct the installation. Installation instructions are not included. 10. Applicable vehicle models: - 1988 - 1991 CRX (equipped with D15/D16 engines). - 1992 - 1995 models (equipped with D15/D16 single overhead camshaft engines). - 1996 - 2000 models (equipped with D16 single overhead camshaft engines). - 1993 - 1997 Sol (equipped with D15/D16 single overhead camshaft engines). 11. Color: Black + Blue. 12. Material: Metal. 13. Package contents: - 1 adjustable cam gear. 14. Only the above - mentioned package contents are included, other items are not. 15. Note: Light and different displays may lead to slight differences between the item color and the actual product. The allowable measurement error is plus or minus 1 - 3 cm.