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

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

LS oil 16mm oil pressure sensor relocator

Made from laser cut

Pressurized coolant surge tank specifically intended for LS/LT swap C/K1500 OBS trucks and SUVs using a stock style sealed coolant system

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

This flange is the standard 10 bolt 4" pattern used on most Aeromotive in tank pumps

Firewall adapter plate attaches using these factory holes and both 2 and 3 hole split face grommets fit the same adapter screw pattern

OEM block off gasket required (GM PN: 12611386 or similar)

Welded aluminum exhaust back pressure buffer canister

Made from 6061 aluminum and uses a high quality

Fits directly in place of PN: 8M0138351 without further modification to your boat

or wheel/tire clearance in bagged trucks

Great for use jet boats and Mercruiser LS conversions where the oil drain is down between the boat stringers and hard to get to for clean oil changes