Street Performer Retainer (Single Spring) Our Street Performer retainers are an excellent OEM replacement that matches our street performer valve springs perfectly. If you have a mild street motor that doesn't need anything exotic in the valvetrain,...

Street Performer Retainer (Single Spring) Our Street Performer Retainers are an excellent OEM replacement that matches our street performer valve springs perfectly. If you have a mild street motor that doesn't need anything exotic in the valvetrain,...

OEM Retainer (Single Spring) Our Street Performer retainers are an excellent OEM replacement that matches our street performer valve springs perfectly. If you have a mild street motor that doesn't need anything exotic in the valvetrain, these retainers...

Street Performer Retainer (Single Spring) Our Street Performer retainers are an excellent OEM replacement that matches our street performer valve springs perfectly. If you have a mild street motor that doesn't need anything exotic in the valvetrain,...

Pro Titanium Retainers LC Engineering offers CNC machined retainers made from high strength, heat-treated titanium alloy. Designed to add strength while offering weight reduction. Perfect for high RPM, street, and race applications. NOTE: These...

Street Performer Retainers Our Street Performer retainers are an excellent OEM replacement that matches our street performer valve springs perfectly. If you have a mild street motor that doesn't need anything exotic in the valvetrain, these retainers...

Pro Titanium Retainer (Dual Spring) LC Engineering offers CNC machined retainers made from high strength, heat-treated titanium alloy. Designed to add strength while offering weight reduction. Perfect for high RPM, street, and race applications. It...