Mr. Gasket Ultra-Seal Header Gasket - 1.750 in Round Port - Steel Core Laminate - GM LS-Series - Pair Ignitions & Electrical Parts & Accessories 250" Length

250" Length

base tune easily created via handheld Wizard

Supports up to 875 EFI or 1100 Carb HP (@ 60 PSI at 13

1977-1978 Ford F-100 Base CID 351 Naturally Aspirated GAS

Mr. Gasket Ultra-Seal Header Gasket - 1.750 in Round Port - Steel Core Laminate - GM LS-Series - Pair Ignitions & Electrical Parts & Accessories 250" LengthMr. Gasket Ultra Seal Exhaust Gasket Set 5964 Round Port 1. 75 in. Port Diameter Graphite Impregnated Facing Steel Expanded Metal Core Superior Tensile Strength Resists Cracking Withstands Intense Heat Resists Deteriorating Anti Stick Properties Easy Removal For Disassembly Applications include: Camaro, Corvette, Firebird, Firebird Trans Am, Got, Chevrolet, Pontiac, 2004, 2003, 2002, 2001, 2000, 1999, 1998, 1997 Vehicle Applications: 1998 2002 Pontiac