Chevy SB/BB Pro Series Ready to Run distributors are the best upgrade for any old ignition system. The CNC machined body construction, oversized hardened steel shaft, top sealed ball bearing and lower sintered bushing provide the strength and durability for years of operation. An integrated high performance circuit board provides smooth firing to 10,000 RPM and work best with a Top Street Performance Power Coil (JM6930). Features continue with vacuum advance, hardened steel gear, additional springs and bushing for fine tuning of mechanical advance. Uses 3 gen MSD Style Modules and Pickup. come with other side of plug. Must use a Low OHM Coil .70 or less. Save $10.00 on Coil Combo Option.
Red wire on distributor - red wire on coil
Orange wire on distributor - yellow wire on coil
Black wire on distributor - Engine Ground
Gray wire on distributor - Tach
Coil needs pure 12 volt .