ICT Billet 551836-LS1ST Features:

Straight Thermostat Housing For LS Gen 3 Water Pump

Compatible with: GM LS Gen 3 series water pumps (RPO Code: LS1, LM7, LR4, LQ4, LS6, L59, LQ9, LM4, L33) 1997-2007

• This thermostat housing converts water pump inlet to a straight barb male fitting for OEM style hoses (1.5in)
• Thermostat housing directs hose straight away from engine, to clear frame rails and suspension components
• Compatible with 1997 to 2007 LS Gen 3 thermostats
• Package Includes: 1 flange, 1 housing and 2 bolts
• Will NOT fit on Gen 4 water pumps - See water pump guide for reference
• Gen 4 water pumps have a larger bolt pattern