Bare Heads, No Parts AFR's 325cc BBC Enforcer Cylinder heads feature our Permanent Mold “As-Cast” Technology surfaces on the intake runners, exhaust runners and combustion chambers that allows for extremely accurate and repeatable port location/performance. This budget friendly head is perfect for your 509 to 540 Cubic Inch operating below 6500 RPM.

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AFR Retainer, SBC/SBF Eliminator/Renegade Titanium 7 Degree 1.245 OD x .885 ID x .655 ID, Ea.

AFR Retainer, SBC/SBF Eliminator/Renegade Titanium 7 Degree 1.245 OD x .885 ID x .655 ID, Ea.

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