Mr. Gasket Super Intake Manifold Bolt Set - Super Flanged Head

Mr. Gasket Super Intake Manifold Bolt Sets with Super Flanged Head design are purpose-built fasteners engineered to deliver reliable, high-strength clamping force for intake manifold installations. Trusted by professional builders and performance enthusiasts alike, these bolt sets are designed to meet the demands of street, racing, and marine applications.

Key Features:

• Grade 5 Steel Construction: High-strength steel fasteners engineered for the structural integrity required in demanding engine environments and sustained high-load operation
• Black Oxide Finish: Protective black oxide coating guards against rust and oxidation while delivering a clean, professional appearance under the hood
• Hardened Flat Washers Included: Each set includes hardened flat washers to promote uniform torque distribution and protect soft aluminum manifold surfaces from galling and deformation
• Super Flanged Head Design: Features a wide washer-faced head that spreads clamping force evenly across the manifold deck, promoting a positive gasket seal
• Smaller-Than-Standard Hex Head: Compact hex head profile with a special under-head radius for added strength, providing clearance in tight engine bay environments
• Versatile Application: Available in multiple configurations suited to a wide range of popular domestic V8 engine platforms for street performance, competition racing, and marine builds

Now part of the Holley Performance family, Mr. Gasket continues its decades-long legacy of producing quality engine hardware. The Super Intake Manifold Bolt line reflects that heritage — delivering the torque retention, thread integrity, and surface protection that serious engine builders depend on. The included hardened washers are especially critical for aluminum manifold installations, helping prevent soft metal deformation under load and supporting a proper, long-lasting seal.

Available in multiple configurations to suit a variety of popular engine platforms, Mr. Gasket Super Intake Manifold Bolt Sets are a proven upgrade over generic hardware for any performance engine assembly.