SCE SB Chevy Square Port Copper Header Gasket Set 20-OTL-NG-3XL supports up to 1500 HP

supports up to 1500 HP carbureted

simply speak

the system includes all necessary parts and hardware for easy installation

Fuel Displacement Block

SCE SB Chevy Square Port Copper Header Gasket Set 20-OTL-NG-3XL supports up to 1500 HPPro Copper Exhaust Collector: The original SCE Pro Copper Exhaust Gaskets feature an embossed o ring around the exhaust port. Perfect for everything from street performance to towing and RV's, this design increases sealing pressure to give you a tight, permanent, leak proof seal even on irregular surfaces. SCE Gaskets invented and introduced the embossed copper exhaust gasket back in 1995, we manufacture more applications than all others combined. and