{"product_id":"36-1-tooth-crank-trigger-system-for-big-block-chevy","title":"36-1 Tooth Crank Trigger System for Big Block Chevy","description":"Holley's EFI Crank Trigger Kit is engineered to provide an accurate crank speed \u0026amp; position signal to Holley EFI systems in the most-demanding, high horsepower, racing applications. Crank position is measured every 10 degrees as opposed to every 45 degrees for a standard 4-Magnet, MSD \"style\" Crank trigger. It is designed for use on early model BBC Chevy applications using a standard ATI or Fluidamper \"style\" balancer up to 7-1\/4\" in diameter.","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":53833697296748,"sku":"GVMR_556-113","price":649.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0945\/2935\/6140\/files\/556-113_01.jpg?v=1780362193","url":"https:\/\/j2mrc.com\/products\/36-1-tooth-crank-trigger-system-for-big-block-chevy","provider":"J2M RaceCars","version":"1.0","type":"link"}