LS3 12-Degr Cylinder Heads Fully CNC Ported 1973-jeep-j-2600-esi2175886 Gear Cover - 6-Bolt -

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

010 in Undersize - Narrowed - Doweled - Small Block Chevy - Each

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

740 in Head - 3/8 in Valve Stem - 4

LS3 12-Degr Cylinder Heads Fully CNC Ported 1973-jeep-j-2600-esi2175886 Gear Cover - 6-Bolt -Cylinder 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