Skip to main content
Skip to main content
List Menu

User account menu

  • Log in
Home
  • Home
  • Shop All
  • Brands
  • Categories
    • Performance
      • Exhaust
    • Tools
    • Brakes
      • Brake Fluid
      • Brake Master Cylinder
      • Brake Proportioning Valve
      • Brake Rotors
      • Brake Pads
      • Brake Caliper Seal Kit
    • Tire & Wheels
      • Tire & Wheel Accessories
    • Air & Fuel
      • Fuel
  • Contact Us
Home

Main navigation

  • Home
  • Shop All
  • Brands
  • Categories
  • Contact Us

Social

  • Catalog
  • Home

FIND YOUR PARTS

Filter Results

Copper Seal Header Gasket Fits Nissan 2.4L KD24DE 4-Cylinder. Oval Ports, 1.62 Inch x 1.61 Inch Mr Gasket
Quick View Eye-fill
Copper Seal Header Gasket Fits Nissan 2.4L KD24DE 4-Cylinder. Oval Ports, 1.62 Inch x 1.61 Inch Mr Gasket
$30.61
View
Copper Seal Header Gaskets Fits 1987-1995 Ford 302/5.0L and 351W/5.8L with Oval Ports Mr Gasket
Quick View Eye-fill
Copper Seal Header Gaskets Fits 1987-1995 Ford 302/5.0L and 351W/5.8L with Oval Ports Mr Gasket
$69.29
View
Copper Seal Header Gasket Fits 1992-2001 Honda 4-Cylinder. Oval Ports, 1.98 Inch x 1.47 Inch Mr Gasket
Quick View Eye-fill
Copper Seal Header Gasket Fits 1992-2001 Honda 4-Cylinder. Oval Ports, 1.98 Inch x 1.47 Inch Mr Gasket
$49.95
View
Copper Seal Header Gaskets Fits 1992-1997 Chevrolet 350 LT1 Gen II Small Block D-Shaped Ports, 1.40 Inch Ports Mr Gasket
Quick View Eye-fill
Copper Seal Header Gaskets Fits 1992-1997 Chevrolet 350 LT1 Gen II Small Block D-Shaped Ports, 1.40 Inch Ports Mr Gasket
$67.99
View
Header Gaskets Aluminum Layered Fits 1965-1990 Chevrolet 396-454 Big Block with Round Ports Mr Gasket
Quick View Eye-fill
Header Gaskets Aluminum Layered Fits 1965-1990 Chevrolet 396-454 Big Block with Round Ports Mr Gasket
$23.07
View
Header Gaskets Aluminum Layered Fits 1955-1991 Chevrolet 262-400 Gen I Small Block 1.45 Inch x 1.48 Inch Square Ports Mr Gasket
Quick View Eye-fill
Header Gaskets Aluminum Layered Fits 1955-1991 Chevrolet 262-400 Gen I Small Block 1.45 Inch x 1.48 Inch Square Ports Mr Gasket
$46.39
View
Header Gaskets Aluminum Layered Fits 1964-1995 Ford 289-351W Small Block, Rectangular Ports Mr Gasket
Quick View Eye-fill
Header Gaskets Aluminum Layered Fits 1964-1995 Ford 289-351W Small Block, Rectangular Ports Mr Gasket
$27.77
View
Ultra-Seal Header Gaskets Fits 1968-1980 Buick 350 V8 Mr Gasket
Quick View Eye-fill
Ultra-Seal Header Gaskets Fits 1968-1980 Buick 350 V8 Mr Gasket
$23.07
View
Ultra-Seal Header Gaskets Fits 2003-2008 Chrysler 5.7L Hemi Gen III. Square Ports, 1.45 Inch x 1.47 Inch Mr Gasket
Quick View Eye-fill
Ultra-Seal Header Gaskets Fits 2003-2008 Chrysler 5.7L Hemi Gen III. Square Ports, 1.45 Inch x 1.47 Inch Mr Gasket
$49.95
View
Copper Seal Header Gaskets Fits 1965-1990 Chevrolet 396-454 Big Block with Round Ports Mr Gasket
Quick View Eye-fill
Copper Seal Header Gaskets Fits 1965-1990 Chevrolet 396-454 Big Block with Round Ports Mr Gasket
$45.04
View
Header Gaskets Aluminum Layered Fits 1955-1991 Chevrolet 262-400 Gen I Small Block Round Ports Mr Gasket
Quick View Eye-fill
Header Gaskets Aluminum Layered Fits 1955-1991 Chevrolet 262-400 Gen I Small Block Round Ports Mr Gasket
$48.10
View
Ultra-Seal Header Gaskets Fits 1965-1990 Chevrolet 396-454 Mark IV Big Block Square Port, 1.85 Inch x 1.90 Inch Mr Gasket
Quick View Eye-fill
Ultra-Seal Header Gaskets Fits 1965-1990 Chevrolet 396-454 Mark IV Big Block Square Port, 1.85 Inch x 1.90 Inch Mr Gasket
$44.06
View
Ultra-Seal Header Gaskets Fits 1955-1991 Chevrolet 262-400 Gen I Small Block Oval Ports, 1.50 Inch x 1.82 Inch Mr Gasket
Quick View Eye-fill
Ultra-Seal Header Gaskets Fits 1955-1991 Chevrolet 262-400 Gen I Small Block Oval Ports, 1.50 Inch x 1.82 Inch Mr Gasket
$49.95
View
Ultra-Seal Header Gaskets Fits 1968-1992 Chrysler 318/340/360 LA Small Block Rectangular Ports, 1.30 Inch x 1.80 Inch Mr Gasket
Quick View Eye-fill
Ultra-Seal Header Gaskets Fits 1968-1992 Chrysler 318/340/360 LA Small Block Rectangular Ports, 1.30 Inch x 1.80 Inch Mr Gasket
$44.06
View
Ultra-Seal Header Gaskets Fits 1965-1990 Chevrolet 396-454 Mark IV Big Block Round Ports, 2.40 Inch Mr Gasket
Quick View Eye-fill
Ultra-Seal Header Gaskets Fits 1965-1990 Chevrolet 396-454 Mark IV Big Block Round Ports, 2.40 Inch Mr Gasket
$44.09
View
Ultra-Seal Header Gaskets Fits 1964-1980 Oldsmobile 330-455 V8. Rectangular Ports, 1.55 Inch x 1.92 Inch Mr Gasket
Quick View Eye-fill
Ultra-Seal Header Gaskets Fits 1964-1980 Oldsmobile 330-455 V8. Rectangular Ports, 1.55 Inch x 1.92 Inch Mr Gasket
$44.09
View
Ultra-Seal Header Gaskets Fits Ford 460 Big Block SVO Square Ports, 1.85 Inch x 1.91 Inch Mr Gasket
Quick View Eye-fill
Ultra-Seal Header Gaskets Fits Ford 460 Big Block SVO Square Ports, 1.85 Inch x 1.91 Inch Mr Gasket
$59.35
View
Ultra-Seal Header Gaskets Fits 1970-1979 AMC 304, 360, 390, 401. Dogleg Ports, 1.25 Inch x 1.75 Inch Mr Gasket
Quick View Eye-fill
Ultra-Seal Header Gaskets Fits 1970-1979 AMC 304, 360, 390, 401. Dogleg Ports, 1.25 Inch x 1.75 Inch Mr Gasket
$43.25
View

Pagination

  • First page « First
  • Previous page ‹‹
  • Page 1
  • Page 2
  • Page 3
  • Page 4
  • Page 5
  • Current page 6
  • Page 7
  • Page 8
  • Page 9
  • Next page ››
  • Last page Last »

Brand

  • ACCEL
  • AEM Electronics
  • aFe Power
  • Flowmaster
  • Holley Sniper EFI
  • Hooker BlackHeart
  • Mr Gasket
  • MSD Ignition
  • Scott Drake Classic

Category

  • Performance
    • Exhaust
      • (-) Exhaust Manifold
        • Exhaust Manifold Bolt
        • Exhaust Manifold Down Pipe
        • Exhaust Manifold Gasket
        • Manifold Absolute Pressure Sensor Kit

Color

  • Silver

Finish

  • Black Ceramic
  • Natural
  • Polished
  • Silver Ceramic

Series

  • Hooker
  • BladeRunner
  • Twisted Steel
  • Hooker BlackHeart
Filters

Brand

  • ACCEL
  • AEM Electronics
  • aFe Power
  • Flowmaster
  • Holley Sniper EFI
  • Hooker BlackHeart
  • Mr Gasket
  • MSD Ignition
  • Scott Drake Classic

Category

  • Performance
    • Exhaust
      • (-) Exhaust Manifold
        • Exhaust Manifold Bolt
        • Exhaust Manifold Down Pipe
        • Exhaust Manifold Gasket
        • Manifold Absolute Pressure Sensor Kit

Color

  • Silver

Finish

  • Black Ceramic
  • Natural
  • Polished
  • Silver Ceramic

Series

  • Hooker
  • BladeRunner
  • Twisted Steel
  • Hooker BlackHeart

Company

  • Shop Brands
  • Shop Categories
  • About Us
  • Contact Us
  • Customer Showcase
  • Privacy Policy
  • Shipping Policy
  • Terms & Services

 

aer

ps

 

Contact Us

Text

Let's Chat

 508-808-8627
 Support@opmustang.com 
 

 

We're Open!

Store Hours

Monday to Friday: 9:00 AM - 6:00 PM
Saturday: 9:00 AM - 4:00 PM
Sunday: Closed

© 2026 Optimum Performance

Powered by Complete Web Solutions