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#91017177
Ford Y-Block Finned Valley Cover, Unpolished
- Fits 272, 292, and 312
- 17 3/8" X 7 3/8"
- Thickness at fins: .52"
$130.99
/each
In Stock
Quantity
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Product Summary
Aluminum, Natural
- Fits 272, 292, and 312
- 17 3/8" X 7 3/8"
- Thickness at fins: .52"
- Thickness at bolt holes: .17"
Need To Know
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Speedway Motors 91017177 Details
Who would have thought the 256, 272, 292, 312 Ford Y-Block engines would be this popular again? These Ford Y-Block finned aluminum valley covers are not polished. This valley cover will fix up your old 1955 and up Y-block.
- 17-3/8" X 7-3/8"
- Thickness at fins: .52"
- Thickness at bolt holes: .17"
CARB Warning
For race/ off road use or for use on pre-1966 vehicles.
CARB Warning
For race/ off road use or for use on pre-1966 vehicles.
Speedway Motors 91017177 Specifications
Speedway Motors 91017177 Specifications
| KEY SPECS | |
|---|---|
| MFG. Part # | 91017177 |
| Brand | Speedway Motors |
| Material Type | Aluminum |
| Finish | Natural |
| GENERAL | |
| Sold in Quantity | Each |
| Gaskets Included | No |
| Hardware Included | No |
Ratings & Reviews
4.5
4 Reviews
Customers appreciate the firmness of our product, noting it doesn't flex or leak like some do. A bit of modification is needed for installation, but once in place, it performs robustly. Some users recommend adding a baffle for a PCV valve. The versatility is demonstrated when, with the help of an adaptor plate, four of our covers were successfully mounted on a BMW 3.0 liter engine, contributing to a potential top speed of 179 MPH. It's a key component in high-performance setups, garnering admiration at rallies and shows.
Ratings & Reviews
4.5
4 Reviews
Customers appreciate the firmness of our product, noting it doesn't flex or leak like some do. A bit of modification is needed for installation, but once in place, it performs robustly. Some users recommend adding a baffle for a PCV valve. The versatility is demonstrated when, with the help of an adaptor plate, four of our covers were successfully mounted on a BMW 3.0 liter engine, contributing to a potential top speed of 179 MPH. It's a key component in high-performance setups, garnering admiration at rallies and shows.
4.5
4 reviews
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I would buy this product again
5.0
2 years ago
Job
brunswick oh
Verified
Fits right where I wanted it
Would Recommend
Won't flex and cause leaks like original cover.
4.0
7 years ago
The Dog
Wichita Kansas
Verified
You will have to either remove a cylinder head or grind notches on the side of the new plate to put it in place on installation. It will not drop in place out of the box with both heads in place.
Would Recommend
Nice piece of work
4.0
9 years ago
RB35
EC, MD
Verified
Need to machine a flat spot and add a baffle for a pcv valve
Would Recommend
Adaption of Ford Y-Block Finned Valley Covers, Unpolished
5.0
11 years ago
ROVER IS OVER
Vermont
Verified
Four of these Ford Y-Block Finned Valley Covers, chrome plated will be mounted on a BMW 3.0 liter, direct fuel injection, 1.0 BAR (atmosphere) turbocharged, stand-alone engine generating about 400 horsepower. The engine will power a 1965 ROVER P5 [Never sold in the U.S. in volume] with a 6-speed stick transmission. An adaptor plate will mate the GUIBO (flex-plate) at the back of the transmission to a carbon fiber driveshaft (about 25 lbs) that puts the power into a FORD 9-inch differential (39/13) next to JAGUAR inboard disc brakes and swing axles, all chrome plated or stainless steel. The car, theoretically, will be capable of 179 MPH at 5,700 RPM. This is a rally and show car with the oos and ahs taking a month to die away.
Would Recommend

Showing 4 of 4 reviews
Questions & Answers
Questions & Answers
4 Questions • 4 Answers
I have a Valley Cover for a 312 Y-Block Ford, but it doesn't have a Lube Oil Fill Pipe like the Original Valley cover. Whats the modification so I can add oil to the Crankcase, or do I have the wrong part
by James
• 8 years ago
1 answer
View Answer
Will these also work on the 239?
by Kem
• 9 years ago
1 answer
View Answer
What are the length and with?
by Bob
• 14 years ago
1 answer
View Answer
This valley cover eliminates the oil filler tube and breather. How do you add oil with the filler tube gone. My valve covers don't have a filler cap.
by Barcle
• 15 years ago
1 answer
View Answer
4 of 4 questions shown
Fitment
Fitment
1955 Ford Club
Ford 272 Y-Block
Ford 292 Y-Block
1956-1957 Ford Club
Ford 272 Y-Block
Ford 292 Y-Block
Ford 312 Y-Block
1958-1959 Ford Club
Ford 292 Y-Block
1962 Ford Club Wagon
Ford 292 Y-Block
1955 Ford Country Sedan
Ford 272 Y-Block
Ford 292 Y-Block
1956-1957 Ford Country Sedan
Ford 272 Y-Block
Ford 292 Y-Block
Ford 312 Y-Block
1958-1962 Ford Country Sedan
Ford 292 Y-Block
1955 Ford Country Squire
Ford 272 Y-Block
Ford 292 Y-Block
1956-1957 Ford Country Squire
Ford 272 Y-Block
Ford 292 Y-Block
Ford 312 Y-Block
1958-1962 Ford Country Squire
Ford 292 Y-Block
1955-1956 Ford Courier Sedan Delivery
Ford 272 Y-Block
1957-1958 Ford Courier Sedan Delivery
Ford 272 Y-Block
Ford 292 Y-Block
1959-1960 Ford Courier Sedan Delivery
Ford 292 Y-Block
1957 Ford Custom
Ford 272 Y-Block
Ford 292 Y-Block
Ford 312 Y-Block
1957 Ford Custom 300
Ford 272 Y-Block
Ford 292 Y-Block
Ford 312 Y-Block
1958-1960 Ford Custom 300
Ford 292 Y-Block
1955 Ford Customline
Ford 272 Y-Block
Ford 292 Y-Block
1956 Ford Customline
Ford 272 Y-Block
Ford 292 Y-Block
Ford 312 Y-Block
1957 Ford Del Rio Wagon
Ford 272 Y-Block
Ford 292 Y-Block
Ford 312 Y-Block
1958 Ford Del Rio Wagon
Ford 292 Y-Block
1955-1956 Ford F-100
Ford 272 Y-Block
1957-1958 Ford F-100
Ford 272 Y-Block
Ford 292 Y-Block
1959-1964 Ford F-100
Ford 292 Y-Block
1955-1956 Ford F-250
Ford 272 Y-Block
1957-1958 Ford F-250
Ford 272 Y-Block
Ford 292 Y-Block
1959-1964 Ford F-250
Ford 292 Y-Block
1955-1956 Ford F-350
Ford 272 Y-Block
1957-1958 Ford F-350
Ford 272 Y-Block
Ford 292 Y-Block
1959-1964 Ford F-350
Ford 292 Y-Block
1955 Ford Fairlane
Ford 272 Y-Block
Ford 292 Y-Block
1956-1957 Ford Fairlane
Ford 272 Y-Block
Ford 292 Y-Block
Ford 312 Y-Block
1958-1962 Ford Fairlane
Ford 292 Y-Block
1959-1962 Ford Galaxie
Ford 292 Y-Block
1962 Ford Galaxie 500
Ford 292 Y-Block
1955 Ford Mainline
Ford 272 Y-Block
Ford 292 Y-Block
1956 Ford Mainline
Ford 272 Y-Block
Ford 292 Y-Block
Ford 312 Y-Block
1956 Ford Park Lane Wagon
Ford 272 Y-Block
Ford 292 Y-Block
Ford 312 Y-Block
1955 Ford Ranch Wagon
Ford 272 Y-Block
Ford 292 Y-Block
1956-1957 Ford Ranch Wagon
Ford 272 Y-Block
Ford 292 Y-Block
Ford 312 Y-Block
1958-1962 Ford Ranch Wagon
Ford 292 Y-Block
1957 Ford Ranchero
Ford 272 Y-Block
Ford 292 Y-Block
1958-1959 Ford Ranchero
Ford 292 Y-Block
1955 Ford Skyliner
Ford 272 Y-Block
Ford 292 Y-Block
1956-1957 Ford Skyliner
Ford 272 Y-Block
Ford 292 Y-Block
Ford 312 Y-Block
1958-1959 Ford Skyliner
Ford 292 Y-Block
1960 Ford Starliner
Ford 292 Y-Block
1955 Ford Sunliner
Ford 272 Y-Block
Ford 292 Y-Block
1956-1957 Ford Sunliner
Ford 272 Y-Block
Ford 292 Y-Block
Ford 312 Y-Block
1958-1960 Ford Sunliner
Ford 292 Y-Block
1955 Ford Thunderbird
Ford 272 Y-Block
Ford 292 Y-Block
1956-1957 Ford Thunderbird
Ford 292 Y-Block
Ford 312 Y-Block
1958 Ford Thunderbird
Ford 292 Y-Block
1955 Ford Victoria
Ford 272 Y-Block
Ford 292 Y-Block
1956-1957 Ford Victoria
Ford 272 Y-Block
Ford 292 Y-Block
Ford 312 Y-Block
1958-1960 Ford Victoria
Ford 292 Y-Block
1957 Mercury Colony Park
Ford 312 Y-Block
1961-1962 Mercury Colony Park
Ford 292 Y-Block
1957 Mercury Commuter
Ford 312 Y-Block
1961-1962 Mercury Commuter
Ford 292 Y-Block
1954 Mercury Custom
256 Ford Y-Block V8
1955 Mercury Custom
Ford 292 Y-Block
1956 Mercury Custom
Ford 312 Y-Block
1956-1958 Mercury Medalist
Ford 312 Y-Block
1955 Mercury Montclair
Ford 292 Y-Block
1956-1957 Mercury Montclair
Ford 312 Y-Block
1954 Mercury Monterey
256 Ford Y-Block V8
1955 Mercury Monterey
Ford 292 Y-Block
1956-1957 Mercury Monterey
Ford 312 Y-Block
1961-1962 Mercury Monterey
Ford 292 Y-Block
1957 Mercury Voyager
Ford 312 Y-Block

