Enhance the performance and durability of your boat trailer with our Self Centering Roller BLACK 8″. Made from heavy-duty black rubber, these rollers are designed to replace worn-down trailer rollers, extending the life of both your trailer and boat. Essential for maintaining stability during transit and ensuring smooth launch and retrieval, these rollers are perfect for both aluminum and fiberglass boats.
★★★★★ “These self centering rollers are a game changer. They make launching and retrieving my boat so much easier.” – John D.
★★★★★ “Durable and effective. They keep my boat centered and stable on the trailer.” – Emily R.
Red Rollers – Ideal for Fiberglass
Blue Rollers – Ideal for Alloy
Black Rollers – Generic Application
Any products thought to be faulty can be returned to Trailer Spare Parts Australia for investigation at the customer’s expense. We reserve the right to determine whether the item/s are faulty or have been incorrectly used or mistreated. We are happy to accept any unwanted stock within 7 days of invoice. Returned items must be in “as new” condition for resale. Any specially ordered axles (IRS, Overlay and Drop Axles) are not returnable. Trailer Spare Parts Australia charges a re-stocking fee of 15% to any authorized returns, plus freight if the goods returned are not subject to warranty.
If the goods are subject to warranty, Trailer Spare Parts Australia will replace the goods and pay all freight inbound and outbound under our terms and conditions. All products sold by Trailer Spare Parts Australia carry a 12 months warranty under our terms and conditions.
Recommendations for these terms can be found on each product page, except for disposable parts (bearings, brake pads, etc).


IMPORTANT: The lines highlighted in yellow are the products we supply.
| Wheel Type | Stud Diameter | Stud Number | Inches PCD | MM PCD | Centre to Centre of Adjacent Studs | Centre to Centre of Adjacent Studs |
|---|---|---|---|---|---|---|
| Gemini | 7/16" | 4 | 100.00 | 2 13/16" | 70.7 | |
| Mini | 7/16" | 4 | 4" | 101.60 | 2 13/16" | 71.84 |
| Capri | 7/16" | 4 | 4 1/4" | 107.95 | 3" | 76.33 |
| Cortina/Telstar | 7/16" | 4 | 4 1/4" | 107.95 | 3" | 76.33 |
| Datsun 1600 | 7/16" | 4 | 4 1/2" | 114.30 | 3 3/16" | 80.82 |
| Early Ford | 1/2" | 4 | 4 1/2" | 114.30 | 3 3/16" | 80.82 |
| Toyota Corona | 7/16" | 4 | 4 1/2" | 114.30 | 3 3/16" | 80.82 |
| Valiant to 71 | 7/16" | 5 | 4" | 101.60 | 2 3/9" | 59.72 |
| Holden HT HG HK | 7/16" | 5 | 4 1/4" | 107.95 | 2 1/2" | 63.45 |
| Ford | 1/2" | 5 | 4 1/2" | 114.30 | 2 5/8" | 67.18 |
| Valiant 71 - 72 | 7/16" | 5 | 4 1/2" | 114.30 | 2 5/8" | 67.18 |
| Commodore | 7/16" | 5 | 120.00 | 2.776" | 70.53 | |
| Holden HQ HJ HX | 7/16" | 5 | 4 3/4" | 120.65 | 2 13/16" | 70.91 |
| Ford F100 | 1/2" | 5 | 5 1/2" | 139.70 | 3 1/4" | 82.11 |
| Ford-Jeep | 1.2" | 5 | 5 1/2" | 139.70 | 3 1/4" | 82.11 |
| Land Rover | 5/8" | 5 | 6 1/2" | 165.10 | 3 13/16" | 96.98 |
| Land Cruiser 100 Series | 9/16" | 5 | 150.00 | 88.17 | ||
| Land Cruiser 4WD | 1/2" | 6 | 5 1/2" | 139.70 | 2 3/4" | 69.85 |
| Nissan Patrol | 1/2" | 6 | 5 1/2" | 139.70 | 2 3/4" | 69.85 |
| Nissan Navara D40 | 1/2" | 6 | 114.30 |