LS3 12-Degr Cylinder Heads Fully CNC Ported 1973-jeep-j-2600-esi2175886 The system includes a pair

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

595 in - Duration 279 / 283 - 113 LSA - 2600 / 6200 RPM - GM LS-Series - Each

Camshaft Phaser Tool - GM GenV LT-Series - Kit

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

Timing Chain Set - Double Roller - Steel - Small Block Chevy - Kit

LS3 12-Degr Cylinder Heads Fully CNC Ported 1973-jeep-j-2600-esi2175886 The system includes a pairCylinder 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