Holden / Gm Ls Water Cross Over Block Off Steam Vent Plug

Aeroflow performance steam vent block off plugs are specifically designed for the gm ls series engine, these cross over adapters will allowyou to delete or block off thewater cross over tubes on the factory or aftermarket cylinder heads. The low-profile design gives extraclearance and does not requireremoval of the block-off when removing the cylinder head bolts. Available in both silver and black anodised options.

sold individually.