For Chevy 396 402 427 454 502 Big Block V8 Steel Exhaust Racing Header Manifolds

• 100% Brand New Items, Never Used Or Installed
• High Performance 2-Piece 4-1 Racing Design Stainless Steel Exhaust Header Manifold Kit
• CNC Machined T-304 Stainless Steel Piping with Computerized TIG Welded Steel Flanges for Strength & Durability
• Made By OEM Approved Manufacturers With Materials That Meets Or Exceeds Strict OEM Requirements
• Increases High Flow Air, Instantly Gain 10 -15 Hp. / Tq.
• Reducers, Gaskets, Bolts, & Pictured Hardware Is Included
• SPECIFICATIONS (Estimated):
  • Inlet: 2.0"
  • Outlet: 3.0"
• * O2 Simulators May Be Required If A CEL Is Triggered *
• * Not Intended For Street Applications, This Item Is Intended For Racing & Competition Purposes Only *
• No Installation Guides Are Included, We Highly Recommend Seeking Professional Installation

FITMENT:

• 1965-1973 Chevrolet / GMC (396-502 Cubic-Inch) 6.5L-8.2L Big-Block V8 Engines

**Fits Models with 396, 402, 427, 454, 502 Big-Block V8 Engines Only**