PERFORMANCE MECHANICAL ADVANCE KIT FOR BIG TWIN & SPORTSTER

Weight: 0.33

• Shaft and plate are stainless steel machined to exact tolerances
• Weights are heat treated and coated with high-tech polymers to ensure smooth even advance and retract movement
• Included springs are high quality phosphate coated spring wire that allows full advance @ 1400 RPM (same as OE)
• Hardened washers on advance weight pivots to prevent premature spring wear
• Pre-lubricated

Rivera
Mechanical Advance Kit
Fits Big Twin 1970/1979 & Sportster 1971/Early 1979
Also fits aftermarket ignition system that requires a mechanical advance unit