AFR BB Chevy 335cc Aluminum Heads Magnum 121cc Assembled 931174 AN-12 to (2) AN-8

AN-12 to (2) AN-8

Suede Leather Heat Guard on back of both arms and around shoulders for added protection

includes SFI tag

150 lb/in Spring Rate

1967-1967 Mercury Brougham

AFR BB Chevy 335cc Aluminum Heads Magnum 121cc Assembled 931174 AN-12 to (2) AN-8Product Description: Cylinder Head Magnum Comp Assembled 2. 300 1. 880 in Valves 335 cc Intake 121 cc Chamber 1. 625 in Springs Aluminum Big Block Chevy Pair 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,