LS3 12-Degr Cylinder Heads Fully CNC Ported 1973-jeep-j-2600-esi2175886 447 in - Duration 260

447 in - Duration 260 / 260 - 110 LSA - 1000 / 5000 RPM - Ford Inline-6 - Each

Gear Cover - 6-Bolt - Ball Bearings - Aluminum - Black Anodized - DMI Bulldog Quick Change - Kit

Spindle - 2 in Drop Spindle - Driver / Passenger Side - Iron - Black Paint - GM / Isuzu - Kit

The system includes a pair of specially selected Super 50 Series mufflers for a deep powerful exterior sound with minimal interior tone and is suited for the enthusiast who wants their performance to be heard

Breather - Twist-On - Round - Chevy Bowtie Logo - Steel - Chrome - Each

LS3 12-Degr Cylinder Heads Fully CNC Ported 1973-jeep-j-2600-esi2175886 447 in - Duration 260Cylinder Head LS3 Mongoose Assembled 2. 165 1. 600 in Valves 260 cc Intake 69 cc Chamber 1. 270 in Springs Angle Plug Aluminum GM LS Series Pair