1988-98 GM C/K1500 OBS Pressurized Coolant Surge Tank

Pressurized coolant surge tank specifically intended for LS/LT swap C/K1500 OBS trucks and SUVs using a stock style sealed coolant system. This tank has a Pressurized cap, coolant level sight glass, and 1/2" NPT welded fitting on bottom to be plumbed inline with the heater core similar to 99+ Silverados. Bolts directly in place of the stock plastic over flow tank on the firewall with no modifications with stock inner fenders.

Fabricated from .125" 5052 aluminum and TIG welded here in USA.