AFR Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Black Oxide - Stud Girdle - Big Block Chevy (Set of 8) 200410105 Reversed Seams for Superior Comfort

Reversed Seams for Superior Comfort

Air Lift 1000

step spacers reducing to a 1/2" hole and cut to fit stock GM type mounts

718 in Spread Port

AFR Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Black Oxide - Stud Girdle - Big Block Chevy (Set of 8) 200410105 Reversed Seams for Superior ComfortProduct Description: Rocker Arm Nut 7 16 20 in Thread 2. 600 in Length Steel Black Oxide Stud Girdle Big Block Chevy Set of 8 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