Westlake WESTLAKE SL309 235/85R16/10
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Westlake
SKU:
22270033
$ 900.00 set | $225.00 each
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IN STOCK (23 tires)
- Width:
- 16.00 (in)
- Height:
- 9.25 (in)
- Depth:
- 16.00 (in)
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Westlake WESTLAKE SL309 235/85R16/10
$225.00
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Out of stock
Shop the Westlake SL309 235/85R16 at ThreePiece.us — free shipping on every order, Affirm financing available, and fast delivery nationwide.
What 235/85R16 means
In the size 235/85R16, 235 is the section width in millimeters (9.25 in), 85 is the aspect ratio — the sidewall stands 85% as tall as the tire is wide, or 199.8 mm (7.86 in) — R denotes radial construction, and 16 is the wheel diameter in inches. That works out to an overall diameter of about 31.73 inches, turning roughly 636 revolutions per mile. Overall diameter is what matters for speedometer accuracy and clearance when you change sizes, so compare it — not just the width — against your current tire.
The manufacturer lists the overall diameter of this specific tire as 16 inches — when clearance is tight, go by the published figure rather than the nominal size math.
The service description on this tire decodes to a load index of 120 — a maximum load of 3,086 lbs per tire, or 116 (2,756 lbs) per tire when mounted as duals. The speed symbol Q corresponds to a maximum sustained speed of 99 mph.
Load Range E corresponds to a 10-ply rating.
Specifications
| Size | 235/85R16/10 |
| Tire Type | High-Performance |
| Service Description | 120/116Q |
| Load Index | 120/116 |
| Speed Rating | Q |
| Load Range | E/10 |
| Section Width (mm) | 235 |
| Aspect Ratio | 85 |
| Overall Diameter (in) | 16 |
| Tread Depth (/32") | 13 |
| Warranty | 40K |
Frequently asked questions
What warranty does the Westlake SL309 carry?
The manufacturer's warranty on this tire is 40K.
What does 120/116Q mean on the Westlake SL309?
120/116Q breaks down as load index 120 — rated for 3,086 lbs per tire (116, or 2,756 lbs, in dual fitment) — with a Q speed rating, good for a maximum sustained 99 mph.
What kind of tire is the Westlake SL309?
The Westlake SL309 in 235/85R16 is a high-performance tire.
Keep shopping
Shop all 235/85R16 tires, see every Westlake SL309 size, or view all tires at ThreePiece.us.
- BRAND:
- Westlake
- Model:
- WESTLAKE SL309
- Size:
- 235/85R16/10
- Aspect Ratio:
- 85
- Load Index:
- 120/116
- Load Range:
- E/10
- Section Width:
- 235
- Service Description:
- 120/116Q
- Speed Index:
- Q
- Temperature:
- N/A
- Tire Rim Diameter:
- 16
- Tire Type:
- High-Performance
- Traction:
- N/A
- Tread Wear:
- N/A
- Tread Depth:
- 13
- UQTG:
- N/A
- Warranty:
- 40K
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