Moroso Adjustable Vacuum Advance Kit - 1975-+81 GM HEI Distributors 600090166 or hose barb end fittings

or hose barb end fittings for use with Earls high performance fuel line and fittings

2-Year Powertrain Warranty

street cars and hot rods

The pedals have a 6 to 1 leverage ratio and are made to accept standard master cylinder bolt spacing

Vehicle Applications: 2011-2014 Jeep Wrangler 2 DoorVehicle Applications: 2011-2014 Jeep Wrangler 2 Door

Moroso Adjustable Vacuum Advance Kit - 1975-+81 GM HEI Distributors 600090166 or hose barb end fittingsAllows you to change the amount of ignition vacuum advance for maximum part throttle performance while preventing the harmful effects of spark knock (detonation) Dial in as much spark advance as conditions permit add more advance under light load conditions to improve throttle response and fuel economy, or limit spark advance in high compression engines and high load conditions to eliminate knock Built in stop prevents the adjustment screw from