Kent-Moore Tools
Kent-Moore EN-46721 Adapter, Valve Spring Compressor

For GM / General Motors. EN-46721 is used with J-43263 Valve Spring Compressor to compress the valve spring when required for service. EN-46721 is bolts to the head in place of the rocker shaft, and allows J-43263 to pivot without slipping off the valve. Unapproved methods may damage the valve, spring, or seal.