Valve Spring Compressor by Performance Tool®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading materials using up-to-date equipment, it ensures everlasting reliability and enduring value. This product is distinguished by total quality assurance, unsurpassed by anybody else. For servicing overhead valve engine with cylinder head removed Designed specifically to help you Bilingual instructions Replacement part availability Only the best build quality Providing a superior level of service and qualitySpecifications Manufacturer Part Number: W89409Brand: Performance Tools Open Capacity: 5-3/4" to 9-3/8"Closed Capacity: 2-1/2" to 6-1/4"Status: Active