MSD Flying Magnet Trigger Wheel - Chevy Big Block Balaclava The shorter rear mounts bolt

The shorter rear mounts bolt on the back side of a Quarter Master bell housing

Pre-calibrated at the factory for optimum performance and drivability on a wide variety of applications

3 Year WarrantyAuto Meter Gauges are the number one choice of professional racers worldwide

Universal brackets fit virtually all common LS engines regardless of water pump and harmonic balancer offsets reducing cost and complexity compared to competitive products

External Adjustment

MSD Flying Magnet Trigger Wheel - Chevy Big Block Balaclava The shorter rear mounts boltMSD Flying Magnet Trigger Wheel 8621 Accurate Trigger Signals Non Magnetic Pickup Cannot Be False Triggered Parts CNC Machined Aluminum In Red Anodized Finish Wide Range Of Timing Adjustment Works On Either Side Of Engine Bracket Holds Pickup In Place Easy Plug And Play Wire To Ignition Will Trigger MSD 6 7 8 Ignitions Accessories Applications include: Bel Air, Blazer K5, C10 Pickup, C10 Suburban, C1500 Pickup, C20 Pickup, C20 Suburban, C2500 Pickup,