Trick Flow® GM LS engine coolant plugs are for coolant holes on exhaust faces. They are zinc plated steel with a hex head/13mm wrench and include an aluminum sealing washer. These Trick Flow® coolant plugs fit all LS cylinder heads.

More From This Category

Wilwood Fitting, Adapter, Tubing, -4 To 7/16-24 If

Wilwood Fitting, Adapter, Tubing, -4 To 7/16-24 If

$16.87

Powerhouse Wrench,-10 AN, Aluminum, Orange Anodized, Each

Powerhouse Wrench,-10 AN, Aluminum, Orange Anodized, Each

$43.42