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.
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.