Wilwood Proportioning Valve - Knob Adjust 1971-jeep-cj6-esi3227879 "name": "Do I need special

"name": "Do I need special spark plug wires with these headers

Five layers of progressively finer mesh cotton gauze media provide maximum airflow for best performance results

Finishing off this exhaust is a 4 diameter black tip

or used with a radial mount bracket kit in place of a tab mount caliper

How many extensions are included

Wilwood Proportioning Valve - Knob Adjust 1971-jeep-cj6-esi3227879 "name": "Do I need specialThe new generation of adjustable proportioning valves combines the latest refinements to deliver precise pressure metering and strength from a compact forged billet design. Pressure adjustments range from 100 1000 PSI and provide for a maximum decrease of 57% in line pressure, the most of any available valve. Adjuster knob with fine thread tuning provides precise pressure adjustment. Valves weigh only 5. 2 ounces and have two . 25 side mounting holes