Lingenfelter Performance Engineering L460145297 - Timing Retard Launch ControllersLingenfelter Performance Engineering Timing Retard Launch Controller LNC 2000 Lingenfelter timing retard launch controllers can be used to provide consistent launch rpm off of the line in drag racing and other standing start racing applications. In turbocharged applications, they can help build additional boost off of the line. They can also be used as an adjustable individual cylinder rpm limiter, providing reliable and fast acting, spark based