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Mr. Gasket Steel Shim Head Gasket; 4.100-Inch Bore/0.020-Inch Thick (57-91 Small Block V8 Corvette C1, C2, C3 & C4)Find parts that fit my vehicle

Item EK-25-901924
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$37.77 each

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      Product Information

      Features, Description, Q&A, Specs & Installation

      Features & Specs

      • Mr. Gasket Steel Shim Head Gasket
      • Has a 4.100-Inch Bore
      • Thickness of 0.020 Inches
      • Raw Metal Finish
      • OE Compatible and Comparable
      • Thinner than Composition Head Gaskets
      • Stress Formed Embossments Seal Extreme Cylinder Pressures
      • For High-Performance Street, Drag Race, and Oval Track use
      • Direct Replacement
      • Comes in Singles
      • Fits 1957-1991 Small Block V8 Chevrolet Corvette C1, C2, C3 and C4 Models

      Description

      Seal, Compress, Win. The Mr. Gasket Steel Shim Head Gasket is engineered to deliver precise sealing and compression control for 1957-1991 Small Block V8 Chevrolet Corvette C1, C2, C3 and C4 models, making it a smart choice for performance builds and meticulous restorations alike. With a thinner-than-composition profile and stress formed embossments that contain extreme cylinder pressures, this direct replacement helps unlock crisp combustion, stable coolant passages, and reliable deck integrity. It’s a purpose-built upgrade that supports power, consistency, and long-term durability.

      Construction and Appearance. Built as a steel shim with a raw metal finish, this gasket features a 4.100-inch bore and a tight 0.020-inch thickness to fine-tune quench and compression. Stress formed embossments reinforce critical sealing zones around bores and fluid passages, promoting uniform clamp load under heat and load cycling. OE compatible and comparable geometry maintains correct alignment, while the thin, stable substrate resists creep and blowout that can plague softer materials over time. The result is a crisp, reliable seal designed for repeated high-energy combustion events.

      Installation. A careful surface prep is essential: verify flat, clean deck and head surfaces, chase threads, and use proper torque sequence and specs for consistent clamp. Dry-fit to confirm bore and passage registration, then torque in stages to stabilize the embossments evenly. Because the gasket is thinner than composition head gaskets, confirm pushrod geometry and piston-to-head clearances as part of a thorough assembly routine. Methodical, adaptable procedures ensure quiet operation, stable fluids, and long-lived sealing performance.

      Application. This Mr. Gasket Steel Shim Head Gasket fits 1957-1991 Small Block V8 Chevrolet Corvette C1, C2, C3 and C4 models. It sharpens performance by tightening quench, stabilizing combustion, and maintaining seal integrity under high cylinder pressures across street, drag race, and oval track use.

      Mr. Gasket 1130G

      CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

      Installation & What's in the Box

      Installation Info

      Installation Time

      (approx) 5 Hours

      Difficulty Level:

      Mechanical expertise or professional installation required.

      Installation Guides

        No guide available for this part yet.

      What's in the Box

      • (1) Head Gasket
      4.5

      Reviews of Mr. Gasket Engine Products (38)

      Questions & Answers

      No questions about this product yet. Ask the First Question

      Will It Fit My Corvette

      • 35th Anniversary Edition - 88
      • Base - 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 77, 78, 79, 80, 81, 82, 84, 85, 86, 87, 88, 89, 90, 91
      • Collector's Edition - 82
      • Indianapolis 500 Pace Car - 78, 86
      • Silver Anniversary Edition - 78
      • Stingray - 75, 76
      • ZR-1 - 90, 91