2 Pieces (SET) Trunk Lid Lift Supports 2004 To 2008 Pontiac Grand Prix FITS: (Rear Trunk) 2004 To 2008 Pontiac Grand Prix Extended Length: 12.29 in--Compressed Length: in Need to replace a lift support? Not sure which one you need? No problem. Contact us by email Amazon@partsavenue.us or call us at (631) 750-1941 Whether you're a professional mechanic or a do-it-yourself guru, we can provide you with detailed installation instructions. LifeTime Limited Warranty On All Our Lift Supports*. See Warranty Details