AFR Rocker Arm Nut - Steel - Black Oxide - Stud Girdle - Chevy V8 - (Set of 16) H775CBFS 6 AN Female O-Ring Return

6 AN Female O-Ring Return / Vent

Distribution block connects brake lines from the master cylinder to front and rear brakes with the added benefit of a rear proportioning valve and built-in pressure activated brake light switch

20% lighter than traditional nylon chute

Holley 4150 / 4160

AFR Rocker Arm Nut - Steel - Black Oxide - Stud Girdle - Chevy V8 - (Set of 16) H775CBFS 6 AN Female O-Ring ReturnProduct Description: Rocker Arm Nut 3 8 24 in Thread Steel Black Oxide Stud Girdle Chevy V8 Set of 16 Advanced FLOW engineering (aFe Power) is a premier designer and manufacturer of automotive performance upgrade systems and components. Current product lines include cold air intake systems, high performance direct fit and racing air filters, exhaust systems, intercoolers, turbochargers, electronic programmers, diesel fuel systems, throttle body