Suitable for all 1200-1600 Aircooled T1-based engines Complete kit includes essential components for installation Ensures precise ignition timing for optimal engine performance Essential for engine assembly, our Crankshaft Installation Kit is designed specifically for all 1200-1600 Aircooled T1-based engines (not compatible with 30hp or Type 4!). This comprehensive kit includes everything you need for a smooth installation, featuring two timing gears, a distributor drive pinion, two woodruff keys, a lock ring (circlip), and an oil thrower disc. For optimal results, be sure to heat the gears before installation on the crankshaft to ensure a secure fit.