1988-98 GM C/K1500 OBS Pressurized Coolant Surge Tank 4l80 These fit against the firewall

These fit against the firewall in the stock location with no modification

-Trim the bottom of the NBS fan to fit around the bottom of the GMT400 core support

2 butter mounting brackets

1" sight glass and mounting feet are optional

Direct replacement for the factory plastic glove box hinge that always breaks

1988-98 GM C/K1500 OBS Pressurized Coolant Surge Tank 4l80 These fit against the firewallPressurized 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. This tank works similarly