These service parts are to be used with JEGS Cylinder Heads. Please review the descriptions below to order the correct service part(s).
Valve Spring Retainers and Spring Cups
Replacement spring cup for cylinder head part numbers:555-51423 - SB-Chevy High-Flow 215 Aluminum Heads555-51433 - SB-Chevy High-Flow 220 Aluminum Heads 555-51454 - BB-Chevy J-Series 310 Aluminum HeadsNotched for fitment in all spring locations on SB-Chevy.Will not cause issues when used on other applications.
Notched for fitment in all spring locations on SB-Chevy.Will not cause issues when used on other applications.
