Breaker weight spring set. Extreme duty - 70-99 B.T.(excl. TC); 71-03 XL (NU). With mechanical advanced ignition 942324 Santa Cruz Skateboards is one

Santa Cruz Skateboards is one of those brands that Biltwell have looked up to since Biltwell’s founding in 2006

available as 548186

Fits double springs with damper

these are not identical

Breaker weight spring set. Extreme duty - 70-99 B.T.(excl. TC); 71-03 XL (NU). With mechanical advanced ignition 942324 Santa Cruz Skateboards is oneStronger than stock. For a slower advance curve, used to help solve detonation issues. Less breaker weight rattle during idling and improves idling stability. Note that stronger springs may require carburetor adjustment (richer). Note: 516300 is standard replacement, 516301 is heavy duty, 516598 is extreme duty. Mixing different spring strengths will give additional fine tuning options.