Twin Power™ Shocker™ Batteries are endurance and laboratory tested for long and reliable performance with a heavy-duty O.E.M.-style case. Flush mount threaded posts with dual connection points ...

Endurance and lab tested to provide long, reliable performance in a heavy-duty O.E.M.-style case, the Shocker Gel Batteries from Twin Power™ are the next generation of batteries. Featuring nano-gel...

The Twin Power™ High-Performance Factory-Activated AGM Batteries are the most advanced lead-acid type battery available. Supplied factory-activated, filled, sealed and charged, these batteries offer...

Twin Power™ Drive Chain for American V-Twins. High-tensile steel, solid rollers and oversize pins ensure longer life and higher strength. The 530 Heavy-Duty is a perfect replacement chain for classic...