Is this a replacement for the motorcraft fl1 hp for a 427 big block?

...yes...this filter can be used in place of an FL1A or FL1HP

Why is the gasket black instead of the usual blue?

The black rubber gasket is the high performance racing gasket. Adds about 20 horsepower. Way better than the blue one

Is this filter for use with synthetic oil only, or can you use conventional oil with it as well.

I use synthetic oil with it, but you can use any kind...

Will this fit a 2015 gt 5.0

Found this info online: “ Upgrade for Motorcraft FL-1A (FL1A) filter Replaces Motorcraft Racing FL1HP filter” See if you can see the part number on your current filter and decide if this is a suitable replacement. I’m using it on a Ford Racing 427 V8 .

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Ford Racing (CM-6731-FL1A) Oil Filter

Product ID: 24755708

Details

Brand
Ford
Item dimensions L x W x H
4 x 4 x 5.5
Material
blend
Product Grade
Performance
Vehicle Service Type
Car

📏Compact 4x4x5.5 inch design

⚙️Performance-grade synthetic blend

🇺🇸Proudly made in the USA

£35.34

Duties & taxes included

In stock

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Description

⚡ Drive with confidence—filter like a champion!

LIGHTWEIGHT POWER - At just 1.5 pounds, it delivers high efficiency without adding bulk under the hood.
COMPACT EFFICIENT - Sleek dimensions (4x4x5.5 inches) fit perfectly, maximizing engine space and maintenance ease.
RACE READY FILTRATION - Engineered with a synthetic-polymer/cellulose blend for superior oil filtration and peak performance.
TRUSTED FORD RACING QUALITY - Backed by Ford’s performance legacy and a reliable manufacturer warranty for peace of mind.
PRECISION FIT ZERO COMPROMISE - Vehicle-specific design ensures seamless installation and optimal compatibility with your Ford car.

The Ford Racing CM-6731-FL1A Oil Filter is a high-performance, vehicle-specific filter crafted from a synthetic-polymer and cellulose fiber blend. Proudly made in the USA, it offers superior filtration in a compact, lightweight design, ensuring your Ford car runs cleaner and stronger. Trusted by enthusiasts and backed by Ford Racing’s warranty, this filter is a must-have for those who demand peak engine performance.

Specifications

ASIN	B003TPJT2S
Automotive Fit Type	Vehicle Specific Fit
Best Sellers Rank	#26,121 in Automotive ( See Top 100 in Automotive ) #335 in Automotive Replacement Oil Filters
Brand Name	Ford
Compatible with Vehicle Type	Car
Customer Reviews	4.6 4.6 out of 5 stars (180)
Global Trade Identification Number	00756122075685
Included Components	Ford Racing (CM-6731-FL1A) Oil Filter
Item Dimensions	4 x 4 x 5.5 inches
Item Type Name	Ford Racing (CM-6731-FL1A) Oil Filter
Item Weight	1.5 pounds
Manufacturer	Ford Racing
Manufacturer Part Number	CM-6731-FL1A
Manufacturer Warranty Description	Warranty
Material Type	Synthetic-Polymer/Cellulose-Fiber blend
Model Number	CM-6731-FL1A
Number of Items	1
Number of Packs	1
OEM Equivalent Part Number	BDXXCM-6731-FL1A
Part Interchange Info	Motorcraft FL-1A, Motorcraft Racing FL1HP
Product Grade	Performance Part
UPC	756122075685
Unit Count	1 Count

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