MSD 289/302/351W - 6.562 in. - Crank Trigger Wheel and Hall-Effect Crank Sensor 86401 1977-gmc-k25-suburban-esi7143020 96% filtration efficiency

96% filtration efficiency

5 Ratio Description_ASC 3/8 Stud Description_ASC Fits SB Chevy Description_LAB Engine Rocker Arms Description_LAB Long-Slot Stamped Style Description_LAB 1

While conventional switching oxygen sensors only switch rich or lean

Ferrea Acura K20 36mm 5

MSD 289/302/351W - 6.562 in. - Crank Trigger Wheel and Hall-Effect Crank Sensor 86401 1977-gmc-k25-suburban-esi7143020 96% filtration efficiencyThe MSD Flying Magnet Crank trigger is now available with a Hall Effect sensor making it the most accurate way to trigger your EFI. The kit installs easily and uses rigid aluminum mounting bracketry and hardware that will not flex and cause timing fluctuations. Powerful magnets are embedded in a 3 8" thick aluminum trigger wheel that will send your EFI a clean signal for every firing. MSD 289 302 351W 6. 562 in. Crank Trigger Wheel and Hall Effect