Eckler's Catalogs Available Now!
1965-1990 Mr Header Gaskets Chevrolet 396-454 Mark IV Square Ports 1.85 Inch x 1.90 Inch
Item EK-40-878149-1
Our Price
$26.23
Military, Medical & First Responders
$1.31 Available in EK Cash Rewards.
Confirm Eligibility
Confirm Eligibility
Saved - View your saved items
We're sorry. We couldn't save this product at this time.
or use
Shop Owners Save More!
Sign up for our dealer program
Product Information
Features, Description, Q&A
Features
- Hooker, High-Temperature Material, Square Ports
- Precision-Matched Super Competition Header Gaskets Provide A Sure Fit And Unmatched Exhaust Sealing
- OEM Quality
- Constructed Of Thick .060 Inch High-Temperature Synthetic Gasket Material
- Perforated Steel Core For Superior Grip And Adhesion
- Exact Fit Compliance Between Cylinder Head And Header Flange
- Excellent Sealing Properties During Extreme Temperature And Operating Conditions
- Precision Fit For Improved Sealing
- Steel Core Provides Superior Adhesion
- Design Contributes To Exact Fit Between Cylinder Head And Header To Improve Exhaust Flow
- Synthetic Hi-Temperature Gasket Material
- Brand Hooker
- Category Exhaust
- Collector Gaskets Not Included
- Emission Code Five
- Engine GM Big Block
- Gasket Line Hi-Temperature
- Material Fiber
- Part Type Exhaust Header Gasket
- Port Shape Rectangle
- Port Size 1.85 Inch By 1.80 Inch
- Product Type Header Gaskets
- Sub Category Gaskets And Sealing Systems
- Thickness .060 Inch
- Type Of Component Exhaust Gaskets
- Fits Chevrolet And GMC Big Block Mark IV Engines From 1965 To 1990
Description
High-Performance Exhaust Gasket. The Hooker Super Competition Header Gaskets with square ports are engineered to provide a precise and secure fit between the cylinder head and header flange. They ensure exceptional exhaust sealing to enhance performance and prevent leaks under extreme temperature and operating conditions, critical for maintaining engine efficiency and power output.
Construction and Appearance. These gaskets are constructed from a thick .060 inch synthetic hi-temperature material with a perforated steel core. This design delivers superior grip and adhesion while ensuring durability and a precise fit. The fiber material and steel core combination create a gasket that withstands high heat and pressures typical of high-performance Big Block Chevrolet engines.
Installation. Installation is straightforward with a direct fit design requiring no additional drilling or modifications. The precision-matched gaskets ensure an easy replacement process, making them suitable for both professional installers and experienced enthusiasts.
Application. This gasket is designed specifically to fit Chevrolet and GMC Big Block Mark IV engines manufactured from 1965 through 1990. It is intended exclusively for this engine family and years of production.
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Questions & Answers
No questions about this product yet.
Ask the First Question
