John King uniquely manufacture an uprated range of offset side bar drive chain under “Excel” this follows the standard dimensionally but has been uprated in critical areas to offer improvements in service life and operational reliability. This products is normally available to order at 4.00” pitch and above. It has performed where other manufactures have failed.
For extra high duty applications consider the uprated Excel standard available in sizes above JK4063. The Excel standard has proven reliability in the more difficult applications with significant extension in chain service life.