MSD 8769 IGNITION REV LIMITERS

MSD IGNITIONREV LIMITERS This Rev Control Plugs Directly Into The 6-Offroad Ignition Control. It Allows You To Set An Rpm Limit That Will Save Your Engine From Overrev Damage In The Event Of Driveline Failure, A Slick Spot On The Trail Or Missed Shifts. The Rpm Limit Is Adjustable With Special Weathertight Rpm Modules And Is Supplied With 4,000, 6,000 And 8,000 Rpm Modules.