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Ultra High® Plastic Boat Trailer Bunks!

Ultra High Plastic boat trailer bunks are manufactured out of high quality composite plastic.

Designed exclusively for aluminium boat hulls; These plastic boat trailer bunks will make launching & retrieving your boat a breeze!

45 Degree bend adds extra leverage to help retrieve your boat in shallow water conditions! Learn More…

Boat Trailer Self Centering Kits

Boat Trailer Ultra High Self Centering Glider Kits. Designed to help keep your boats keel centred when retrieving your boat after a day on the water!

Manufactured out of high quality premium plastic, These kits simply attach to your trailers frame & are simple to adjust to suit your boats hull design!

Avoid potential damage in rough water conditions by keeping your boat centred on your trailer today! Learn More…

Catamaran Boat Trailer Slicks & Covers

How your Catamaran boat trailer is setup can ultimately lead to a good day or bad day on the water before you have even launched your boat!

By using high quality plastic catamaran trailer parts, you can ensure your boat will be launched & then retrieved quickly and efficiently as your boat slides on and off with ease!

Plastic boat trailer parts allow your boat to slide on and off. Unlike rubber boat trailer parts, your boat will often get stuck, stick, tear and give you a struggle you do not need when launching your boat. Eliminate these issues by using our high quality plastic catamaran parts! Learn More…

Boat Trailer Bunk Slicks

Boat trailer plastic bunk slicks are a simple solution to improving your existing carpet bunk setup to a plastic bunk setup so your boat can slide on and off easier.

Ultra High bunk slicks are manufactured out of high quality plastic material. Unlike carpet or other poor quality bunk cover materials which are known to rip, tear and grab your boat making it hard to move; These slicks are designed to eliminate those issues!

Our boat trailer bunk slicks are frequently chosen by Amazon as ‘Amazon’s Choice’ for their high performance and customer satisfaction. View on Amazon or Learn More…

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About Us

Boat Trailer Spares USA; An Ultra High LLC Company.

Boat Trailer Spares are a leading supplier and manufacturer of premium boat trailer bunks produced out of solid plastic for the marine boat trailer industry. 

After a long and successful history spanning over 30 years of producing and supplying the Australian marine industry with our proprietary plastic profiles and boat trailer keel rollers; we have now introduced these products to the US market! Our boat trailer parts in Australia are the industry standard when it comes to reliability, performance and simple to use boat trailer bunks, slicks, keel rollers & accessories.

Previously, only known to US consumers are timber and carpet style bunks. Carpet bunks do not work, they need constant replacing, and simply do not work like they should. Our aim is to change the way boat users launch and retrieve their boats!

Plastic bunks and profiles eliminate all the issues carpet bunks give users.

For all boat trailer bunks and keel roller questions, simply contact us via our help desk, and one of our experienced staff members will assist to your needs. With our head office located in Dallas, Texas we offer our products USA wide. 


Aluminium Boat Trailer