The stock high pressure pump bolts are known to snap causing a low pressure condition and eventually the failure of the expensive high pressure pump.  These are stronger replacements.  Fits on all 2.0 liter turbo: LNF, LHU, and LDK engines.  '08+ turbo Cobalt, 07+ Saturn Sky Redline and Pontiac Solstice GXP, '11+ Regal turbo, HHR SS, Opel GT, etc.