V-Factor Tuneable Mechanical Advance Kit For Big Twin & Sportster

Description

Weight: 0.02 Designed to outperform and outlast anything out there, this tuneable mechanical advance unit is the finest available. It features a heat treated stainless steel base, pre-lubricated heat treated weights and three sets of color coded springs that allow you to select three different advance curves to meet your engine’s requirements. Tuneable Features: Black Spring – Allows full advance @ 1400 RPM (same as OEM) Silver Spring – Allows full advance @ 2000 RPM Gold Spring – Allows full advance @ 2600 RPM Advantages: Eliminating spark knock and detonation means longer engine life and more low end horsepower and torque. The only mechanical advance unit kit that allows you to adjust your advance curve. A must if you have performance work done. Even minor performance changes can require a different advance curve. V-FACTOR Silver Spring allows full advance @ 2000 RPM Fits Big Twin 1970/1979 & Sportster 1971/1979 Package of 10, (Imported)