Out of stock
(No reviews yet)
Write a Review
Prinx
Prinx HICOUNTRY HM1 351/50R18/10
Prinx HICOUNTRY HM1 351/50R18/10
This wheel on real customer builds
📧 Get Fitment Help
Verify parts fit & get product recommendations
Prinx
Lease-to-own for as low as
/week
Get Started
Width:
18.00
(in)
Height:
13.82
(in)
Depth:
18.00
(in)
SKU:
Prinx9315250306
$344.00
Lease-to-own for as low as
/week
Get Started
Guaranteed to Fit — confirm your size with the fitment checker on this page
Price Match Guarantee Learn More
Free Mount & Balance
Free Shipping
OUT OF STOCK 
📧 Get Fitment Help
Verify parts fit & get product recommendations
-
-
Out of stock
-
Out of stock
-
Out of stock
Shop the Prinx HICOUNTRY HM1 351/50R18 at ThreePiece.us — free shipping on every order, Affirm financing available, and fast delivery nationwide.
What 351/50R18 means
In the size 351/50R18, 351 is the section width in millimeters (13.82 in), 50 is the aspect ratio — the sidewall stands 50% as tall as the tire is wide, or 175.5 mm (6.91 in) — R denotes radial construction, and 18 is the wheel diameter in inches. That works out to an overall diameter of about 31.82 inches, turning roughly 634 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 service description on this tire decodes to a load index of 123 — a maximum load of 3,417 lbs per tire. The speed symbol R corresponds to a maximum sustained speed of 106 mph.
Specifications
| Size | 351/50R18/10 |
| Service Description | 123R |
| Load Index | 123 |
| Speed Rating | R |
| Section Width (mm) | 351 |
| Aspect Ratio | 50 |
| Temperature Grade | TIRE RIM DIAMETER=18TIRE TYPE=TRACTION=TREAD WEAR=TREAD DEPTH=UQTG=WARRANTY=STANDARD |
Frequently asked questions
How fast does this tire ship?
Every order at ThreePiece.us ships free, with fast delivery from a nationwide warehouse network. Affirm financing is available at checkout.
What does 123R mean on the Prinx HICOUNTRY HM1?
123R breaks down as load index 123 — rated for 3,417 lbs per tire — with an R speed rating, good for a maximum sustained 106 mph.
Will 351/50R18 tires fit my vehicle?
Check the size molded into your current tire's sidewall or the tire placard inside the driver's door jamb — if it reads 351/50R18, this tire matches your vehicle's fitment. If you're changing sizes, compare overall diameter to keep your speedometer and clearances right.
Keep shopping
Browse Prinx tires, see every Prinx HICOUNTRY HM1 size, or view all tires at ThreePiece.us.
- BRAND:
- Prinx
- MODEL:
- HICOUNTRY HM1
- SIZE:
- 351/50R18/10
- ASPECT RATIO:
- 50
- LOAD INDEX:
- 123
- SECTION WIDTH:
- 351
- SERVICE DESCRIPTION:
- 123R
- SPEED INDEX:
- R
- TEMPERATURE:
- TIRE RIM DIAMETER=18TIRE TYPE=TRACTION=TREAD WEAR=TREAD DEPTH=UQTG=WARRANTY=STANDARD
PRODUCT REVIEWS (0)
Overall Rankings
Have you tried this product?
WRITE A REVIEWNo reviews for this product yet. Be the first to write a review!
Write a Review