Comes with everything pictured. This is not just a timing chain kit, it also comes with the balance shaft chain set as well.

Fits: 2.0, 2.2, 2.4 liter Ecotec engines (except the balance shaft timing gear/sprocket)

GM part numbers:

• Main timing chain (GM# 24461834)
• Balance shaft chain (GM# 12645237)
• (5) Lower chain guides (GM# 13104978, 90537336, 90537369, 90537299, the 5th has no PN)
• Upper chain guide (GM# 12588387)
• Oil squirter (GM# 12577163)
• Balance shaft chain gear (GM# 12642713)
• Main timing gear (GM# 24424758)
• Timing gear shims (included, but not needed for most Ecotecs) 
• Balance shaft chain tensioner (GM# 90537300)
• Timing chain tensioner (GM# 12608580)

Installation Procedure