FAST · New
FAST Crank Trigger Kit, Magnet For Sbc 8in Balancer
MPN 301285 · Store SKU fst301285
Supplier stock checked 11/7/2026, 8:20:45 AM UTC. Adding a part does not reserve it.
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Product details
however, modern fuel injection systems and sophisticated testing equipment have exposed inadequacies in traditional crank trigger designs. To correct for timing fluctuations in high-RPM racing applications, FAST engineers replaced the fluctuation prone 2-Wire Inductive Pick-Up with a modern digital Hall-Effect design. This digital Hall-Effect Pickup, coupled with Samarium cobalt magnets installed in the trigger wheel, result in crank rotation measurements that are accurate to of a degree from 0 to 13,000 engine RPM. The FAST Magnet Crank Trigger Kit's digital Hall-Effect Pickup is far less susceptible to electromagnetic noise interference than competitors' antiquated 2-wire designs. Additionally, the Digital Hall-Effect Pick-Up's accuracy is unaffected by electrical system voltage variations: maintaining -degree timing accuracy from 7 Volts to 30 Volts DC. Despite its advanced design, the FAST Magnet Crank Trigger maintains compatibility with other brands' ignition systems. Outputting a clean square-wave signal, the Magnet Crank Trigger can trigger ignition boxes directly or integrate with EFI systems such as the FAST EZ-EFI 2.0, XFI Sportsman and XFI 2.0. An integral LED eases timing calibration and diagnostics. The FAST Magnet Crank Trigger Kit does not sacrifice durability for technological innovation. Crafted from billet aluminum then black anodized, the trigger wheel and pickup brackets will withstand harsh racing environments. OEM quality braided wire wrap protects the pick-up pigtail, while a weatherproof Deutsch connector terminates the harness. FAST's Magnet Crank Trigger Kits are setting the new industry standard for timing accuracy while preserving compatibility with other brands' ignition systems. Crank triggers are known to provide the most accurate crankshaft rotation measurement Equipped with a digital hall-effect pick-up, an anodized wheel and premium Samarium Cobalt magnets, the Chevrolet Small Block 8 in Magnet Crank Trigger Kit is durable while maintaining 1/4 degree accuracy and excellent EMI noise resistance. Magnet Crank Trigger Kit for Chevrolet Small Block w/ 8 Inch Harmonic Balancer
Manufacturer fitment & guides
Check 301285 against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y