S&S Cycle 36-69 BT Crankcase Gear Kit

The circuit breaker drive gear in this S&S Cycle kit is made from durable steel, a solid choice for the demanding environment inside your engine. This kit is designed for 36-69 Big Twin (BT) applications, giving you the core components needed to rebuild or service your crankcase's gear train. It includes the circuit breaker drive gear, the idler gear assembly, and the circuit breaker shaft gear along with necessary shims to ensure proper alignment and function.

When you're working on the heart of your motorcycle, using well-built components from a reputable brand like S&S Cycle makes a significant difference. This kit addresses the critical gears that manage timing and power transfer within the crankcase. While the circuit breaker gear shaft and idler gear shaft themselves are sold separately, this kit provides the essential gears and shims to get your project moving forward. Proper installation and alignment of these components are key to smooth engine operation and longevity.

For those undertaking a comprehensive engine rebuild on their 36-69 Big Twin, this gear kit is a foundational piece. Ensure you have the separate shafts ready before beginning installation, and always refer to the manufacturer's service manual for detailed procedures and specifications to achieve the best results.