Fuel Pump Block Off Plate CNC Fits Oldsmobile Cadillac F151C USA Aftermarket

CNC Finish Aftermarket Fuel Pump Block Off Plate Fits Oldsmobile and Cadillac Engines

Professional aftermarket fuel pump block off plate featuring raw CNC finish for Oldsmobile and Cadillac V8 engines when converting from mechanical to electric fuel pump systems. Precision-machined 6061-T6 aluminum plate provides leak-free seal while maintaining industrial CNC aesthetic. Perfect for racing applications, custom builds, and engine conversions where you want authentic machined look without additional polishing.

Oldsmobile and Cadillac Engine Compatibility

Fits: Oldsmobile and Cadillac V8 Engines with Mechanical Fuel Pump Mounting

Oldsmobile Engine Applications:

• Oldsmobile 350 V8: 1968-1980 Small block applications
• Oldsmobile 400 V8: 1965-1980 Big block applications
• Oldsmobile 455 V8: 1968-1976 Big block applications
• Marine/Industrial: Oldsmobile boat and stationary engines

Cadillac Engine Applications:

• Cadillac 425 V8: 1977-1979 Large displacement luxury engines
• Cadillac 472 V8: 1968-1974 Classic big block luxury
• Cadillac 500 V8: 1970-1976 Premium big block applications
• Marine/Industrial: Cadillac boat and stationary engines

Product Features

• CNC Machined: 6061-T6 Aircraft Aluminum
• Raw CNC Finish: Authentic machined appearance, machine marks visible
• Leak-Free Engineering: Tested under high crankcase pressure
• Racing Proven: 20+ years testing in competition
• Complete Hardware: Stainless steel fasteners included
• Made in USA - Idaho manufactured

Technical Specifications

• Part Number: F151C
• Application: Oldsmobile and Cadillac V8 Engines
• Engine Types: Olds 350, 400, 455 / Cadillac 425, 472, 500
• Dimensions: 2-11/16" H × 2-5/8" W × 15/32" Thick
• Weight: 1.8 oz
• Hardware: (2) 5/16" Stainless Steel Socket Head Cap Screws
• Finish: Raw CNC Machined (machine marks visible)

Installation Guidelines

1. Remove mechanical fuel pump and clean mounting surface
2. Install electric fuel pump system first (separate installation)
3. Clean engine block mounting surface thoroughly
4. Apply thin layer of high-temp RTV sealant to plate
5. Install plate with included stainless steel fasteners
6. Torque fasteners to manufacturer specifications

Applications

• Electric fuel pump conversions
• Racing and competition vehicles
• TBI and EFI conversions
• Marine and industrial engine conversions

Frequently Asked Questions

Q: Will this fit my Oldsmobile 455?
A: Yes! This aftermarket plate fits all Oldsmobile V8 engines including the 350, 400, and 455 with mechanical fuel pump mounting.

Q: What's the difference between F151 and F151C?
A: F151C has the raw CNC finish (machine marks visible) while F151 is polished. Same quality and fit, just different aesthetics and price.

Q: Will this work on my Cadillac 500?
A: Absolutely! This fits Cadillac 425, 472, and 500 V8 engines with mechanical fuel pump mounting.

Q: Do I need to install an electric fuel pump first?
A: Yes, you should have your electric fuel pump system installed before blocking off the mechanical pump mounting hole.

Made in USA with manufacturing defects covered. Free shipping.