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- Spring Retainers
- AFR 8521 - 10° Chromoly Retainer 1.245” O.D x .880” I.D x .655” I.D
- Steel 10 degree Retainer 1.245” O.D x .880” I.D x .655” I.D
- Comes standard on AFR Black Hawk Gen III Hemi Cylinder Heads using AFR 8017/8019 springs
- Requires #9009 Bead Lock Keepers
- 1 piece or set of 16