Fuel Pump Block Off Plate Fits Jeep CJ5 CJ7 AMC 258 CNC Aluminum USA F111

Engine Compatibility

The F111 fuel pump block off plate is specifically engineered for AMC 258 inline 6 engines found in Jeep CJ5 and CJ7 models. This precision-machined plate provides a perfect seal when converting from mechanical to electric fuel pump systems.

Vehicle Applications

Compatible Vehicles:

• Jeep CJ5 (1972-1983) with AMC 258 engine
• Jeep CJ7 (1976-1986) with AMC 258 engine
• Other AMC 258 inline 6 applications

Product Features

The F111 fuel pump block off plate is CNC-machined from premium 6061-T6 aircraft grade billet aluminum, delivering exceptional strength and corrosion resistance. The polished finish provides an attractive appearance while maintaining superior functionality. Each plate is precision-manufactured to ensure perfect fitment and leak-free operation.

Kit Contents

What's Included:

• 1x F111 Fuel Pump Block Off Plate
• 2x 5/16" Stainless Steel Socket Head Cap Screws (18-8 grade)
• Detailed Installation Instructions
• Technical Specifications Sheet

Performance Benefits

Upgrading to an electric fuel pump system improves reliability and performance over the original mechanical pump. The F111 block off plate seals the mounting hole, preventing oil leaks and maintaining proper crankcase pressure. This upgrade is essential for racing applications and high-performance builds where fuel delivery consistency is critical.

Technical Specifications

F111 Specifications:

• Material: 6061-T6 Aircraft Grade Billet Aluminum
• Finish: Polished (machine marks visible)
• Height: 2-11/16" (2.675")
• Width: 2-5/8" (2.635")
• Thickness: 15/32" (0.449")
• Weight: 1.8 oz
• Fasteners: 2x 5/16" 18-8 Stainless Steel Socket Head Cap Screws

Installation Guidelines

Installation of the F111 block off plate is straightforward with basic hand tools. Remove the mechanical fuel pump and clean the mounting surface thoroughly. Apply thread locker to the provided stainless steel screws and torque to specification following our detailed instructions. No gasket is required - the precision-machined surface creates a proper seal when installed correctly.

Quality Guarantee

Mad4Metal has been manufacturing and testing fuel pump block off plates for over 20 years in our own racing applications. The F111 is engineered to withstand high crankcase pressure situations and extreme operating conditions. Every plate is individually inspected and tested to ensure leak-free operation. Made in the USA with a commitment to superior craftsmanship.

Frequently Asked Questions

Q: Do I need a gasket with the F111 plate?
A: No gasket is required. The precision-machined surface creates a proper seal when installed with the provided hardware and proper torque specifications.

Q: Will this fit my 1979 Jeep CJ7 with 258 engine?
A: Yes, the F111 is specifically designed for AMC 258 engines in CJ5 and CJ7 applications from 1972-1986.

Q: What's the advantage of 6061-T6 aluminum?
A: 6061-T6 is aircraft-grade aluminum known for exceptional strength-to-weight ratio and corrosion resistance, ensuring long-lasting performance in automotive applications.

Part Number: F111 | Made in USA | Mad4Metal Quality