AFR 8512 LS - 7 Degree Titanium Retainers for 8017 or 8019 springs
AFR 8515 SBC/SBF - 7 Degree Titanium Retainers for 8017 or 8019 springs
AFR 8505 SBC/SBF/BBC/BBF - 10 Degree Titanium Retainers for 8000, 8001, 8002, 8005, 8016 or 8023 Springs
AFR 8507 BBC/BBF - 10 Degree Titanium Retainers for 8022 or 8031 Springs
AFR 8517 - 10 Degree Titanium Retainers for 8014 springs