AFR LS3/LS99 Mongoose CNC Cylinder Heads 260cc Assembled 23-TR1-N-M 1967-1968 American Motors American

1967-1968 American Motors American

resulting in the least amount of pressure drop

1965-1974 Checker Marathon

900 lph at 45 psi

AFR LS3/LS99 Mongoose CNC Cylinder Heads 260cc Assembled 23-TR1-N-M 1967-1968 American Motors AmericanProduct Description: Cylinder Head LS3 Mongoose Assembled 2. 165 1. 600 in Valves 260 cc Intake 69 cc Chamber 1. 270 in Springs Aluminum GM LS Series 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, electronic