Bilstein B6 (HD) 66-80 Rolls Royce (Various V8 Models) Rear 46mm Monotube Shock Absorber Programmers & Chips>Performance Monitors 5" flange opening provides 40%

5" flange opening provides 40% greater airflow over the stock intake system

Banks Ram-Air collects & directs more power-producing cool

This system will not work with the factory valance and requires a quad-tip conversion

while outflowing the factory intake by 35%

It dramatically cuts downhill speeds without using the wheel brakes

Bilstein B6 (HD) 66-80 Rolls Royce (Various V8 Models) Rear 46mm Monotube Shock Absorber Programmers & Chips>Performance Monitors 5" flange opening provides 40%Bilstein B6 Performance dampers are a performance upgrade to OE dampers designed to be paired with the OE factory spring. These dampers offer application specific valve settings with a monotube design to bring out the best handling performance of a vehicle. Each damper is rigorously tested for quality that meets or exceeds OE standards. B6 Performance dampers will provide improved safety and handling performance with the added benefit of world famous