The Bosch Blue Coil is a 12v ignition coil specifically designed for Bosch 356C, 912, 914 models, or converted 356A/B to 12v systems. This NOS (new old stock) part features the manufacturer part number 221-119-27-Blue and is a genuine Bosch product, ensuring quality and compatibility with the specified vehicle models. Perfect for car enthusiasts looking to upgrade or replace their ignition system components, this Bosch Blue Coil is a reliable choice for maintaining optimal engine performance.