For 66-91 Chevy Small Block SBC 265-400 V8 Steel Exhaust Racing Header Manifold

• 100% Brand New Items, Never Used Or Installed
• Performance 2-Piece 4-1 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.
• Bolts, Nuts, Screws, & Gaskets Are Included
• SPECIFICATIONS (Estimated):
  • Inlet: 1.6"
  • Outlet: 2.9"
• * 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:

• 1966-1991 Chevrolet / GMC 265-400 CID Generation I Small Block V8 Engines

**Fits Models with 265-400 Cu.In V8 Small Block Engines ONLY**