.3125 inch thick open center base gasket for Holley square flange 4150 / 4160 carburetor and square flange Holley EFI throttle body applications. Hardware included.

Compression support grommets in mounting corners.

Features and Benefits:

• Base Gasket Mounting Hardware Included

Associated Comments:

• Includes mounting studs and nuts. Do not over torque.
• Excessive torque can warp or break the base plate.

Details:

• Bolt Hole Quantity: 4.0
• Color: Black
• Gasket Bore: Open Center
• Grade Type: Performance
• Intake Port Quantity: 1.0
• Material: Fiber
• Nut: 1/2 Inch x 5/16 Inch-24
• Stud Length: 1.62 Inch
• Thickness: .337 Inch +/- .015 Inch
• Thread: 5/16-18 & 5/16-24
• Throttle Bore: 1.75 Inch maximum