# Cloyes S305T Camshaft Sprocket for 1959-1979 Oldsmobile Eighty-Eight

### Specifications

Adjustable: No

Chain Row Quantity: 1

Color: Gray

Inside Diameter: 1.12"

Keyway Notch: Yes

Material: Cast

Meets or Exceeds Original Equipment Manufacture Specifications: Yes

Mount Hole Diameter: 1.12"

Mount Hole Quantity: 1

Original Equipment Replacement: Yes

Outside Diameter: 5.03"

Thickness: 0.98"

Tooth Quantity: 42

Tooth Width: 0.64"

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

Camshaft Sprocket (S305T) 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: S305T

UPC: 750385101808

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

1975

Oldsmobile

Eighty-Eight

1975

Oldsmobile

Ninety-Eight

1959-1978

Pontiac

Bonneville

1959-1978

Pontiac

Catalina

1967-1979

Pontiac

Firebird

1973-1975

Pontiac

Grand Am

1962-1977

Pontiac

Grand Prix

1964-1973

Pontiac

GTO

1963-1977

Pontiac

LeMans

1961-1970

Pontiac

Tempest

### 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 S305T.

**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

-   Camshaft Sprocket for Oldsmobile Eighty-Eight
-   S305T fitment
-   Cloyes Camshaft Sprocket
-   1975 Oldsmobile Eighty-Eight Camshaft Sprocket

## Details

- **Price:** 17.48 CAD
- **Vendor:** Cloyes
- **Type:** Camshaft Sprocket
- **Tags:** 1959-1978 Pontiac Bonneville, 1959-1978 Pontiac Catalina, 1961-1970 Pontiac Tempest, 1962-1977 Pontiac Grand Prix, 1963-1977 Pontiac LeMans, 1964-1973 Pontiac GTO, 1967-1979 Pontiac Firebird, 1973-1975 Pontiac Grand Am, 1975 Oldsmobile Eighty-Eight, 1975 Oldsmobile Ninety-Eight, Automotive, Camshaft Sprocket, Cloyes, S305T

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 17.48 CAD | In stock |

## Images

- Cloyes S305T Camshaft Sprocket for 1959-1979 Oldsmobile Eighty-Eight

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/cloyes-s305t-camshaft-sprocket)
> Updated: 2026-08-18