# Cloyes S321 Single Row Crankshaft Sprocket for 1958-1976 Ford Custom

### Specifications

Adjustable: No

Chain Row Quantity: 1

Color: Gray

Inside Diameter: 1.37"

Keyway Notch: Yes

Material: Metal

Meets or Exceeds Original Equipment Manufacture Specifications: Yes

Mount Hole Diameter: 1.37"

Mount Hole Quantity: 1

Original Equipment Replacement: Yes

Outside Diameter: 2.82"

Thickness: 0.52"

Tooth Quantity: 18

Tooth Width: 0.52"

Universal or Specific Fit: Specific

### Features

-   Made with precision and quality in mind
-   Designed to meet your specific needs
-   Manufactured to meet or exceed strict quality requirements
-   Designed to deliver trouble-free, consistent performance

### Product Details

Single Row Crankshaft Sprocket (S321) by Cloyes®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed to provide a perfect fit for a hassle free installation, this reliable product can help you get you vehicle back on the road faster and easier.

Brand: Cloyes

Part Number: S321

UPC: 750385101952

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

1958-1959, 1964-1971

Ford

Custom

1965-1966, 1968-1976

Ford

F-100

1975-1976

Ford

F-150

1965-1966, 1968-1976

Ford

F-250

1964-1966, 1968-1976

Ford

F-350

1958-1959, 1961-1970

Ford

Fairlane

1959, 1961-1971

Ford

Galaxie

1964-1968

Ford

GT

1965-1971

Ford

LTD

1967-1970

Ford

Mustang

1966-1969

Ford

Ranchero

1958-1959, 1961-1969

Ford

Thunderbird

1968-1970

Ford

Torino

1966-1967

Mercury

Capri

1965-1969

Mercury

Comet

1967-1970

Mercury

Cougar

1963-1966, 1969-1970

Mercury

Marauder

1968-1969

Mercury

Montego

1962-1970

Mercury

Monterey

1965-1967

Mercury

Villager

### FAQ

**Will this fit my vehicle?**  
Please verify your year, make, model, position, and any fitment notes using the Vehicle Fitment Table above before purchase.

**What part number is this?**  
The listed part number is S321.

**Is this product designed for direct replacement?**  
Yes. This product is intended to match the compatible vehicle applications listed in the fitment table.

**Should I confirm fitment before ordering?**  
Yes. Always compare your original part, position, and vehicle details with the fitment table before ordering.

### Common Searches

-   Single Row Crankshaft Sprocket for Ford Custom
-   S321 fitment
-   Cloyes Single Row Crankshaft Sprocket
-   1958 Ford Custom Single Row Crankshaft Sprocket

## Details

- **Price:** 8.42 CAD
- **Vendor:** Cloyes
- **Type:** Single Row Crankshaft Sprocket
- **Tags:** 1958-1959, 1959, 1961-1969 Ford Thunderbird, 1961-1970 Ford Fairlane, 1961-1971 Ford Galaxie, 1962-1970 Mercury Monterey, 1963-1966, 1964-1966, 1964-1968 Ford GT, 1964-1971 Ford Custom, 1965-1966, 1965-1967 Mercury Villager, 1965-1969 Mercury Comet, 1965-1971 Ford LTD, 1966-1967 Mercury Capri, 1966-1969 Ford Ranchero, 1967-1970 Ford Mustang, 1967-1970 Mercury Cougar, 1968-1969 Mercury Montego, 1968-1970 Ford Torino, 1968-1976 Ford F-100, 1968-1976 Ford F-250, 1968-1976 Ford F-350, 1969-1970 Mercury Marauder, 1975-1976 Ford F-150, Automotive, Cloyes, S321, Single Row Crankshaft Sprocket

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 8.42 CAD | In stock |

## Images

- Cloyes S321 Single Row Crankshaft Sprocket for 1958-1976 Ford Custom

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/cloyes-s321-single-row-crankshaft-sprocket)
> Updated: 2026-08-17