AFR 7 Degree Valve Spring Retainer - 1.245 in Spring (Set of 16) 12102 Shafts and gears are cryogenically

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AFR 7 Degree Valve Spring Retainer - 1.245 in Spring (Set of 16) 12102 Shafts and gears are cryogenicallyProduct Description: Valve Spring Retainer 7 Degree 1. 245 in Spring Steel Black Oxide Set of 16 For over thirty years Airflow Research has been defining technological leadership in cylinder head manufacturing and flow dynamics. This complete commitment to performance has enabled Airflow Research's cylinder heads to find themselves on the fastest race cars and the most powerful street machines in the country. As every engine builder will attest to,