GM LS WATER CROSS OVER BLOCK OFF - BLACK Brand_COMETIC The wastegate also includes required

The wastegate also includes required stainless steel hardware for installation including: valve seat

AF610-08BLK

AF59-3500-01

Sold individually

GM LS WATER CROSS OVER BLOCK OFF - BLACK Brand_COMETIC The wastegate also includes requiredGM LS Water Cross Over Block Off Black Suit GM LS Series Engines, Sold Individually Aeroflow Performance steam vent block off plugs are specifically designed for the GM LS series engine, these cross over adapters will allow you to delete or block off the water cross over tubes on the factory or aftermarket cylinder heads. The low profile design gives extra clearance and does not require removal of the block off when removing the cylinder head bolts.