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What Do The Different Grades Mean?

When There’s No Option Available:

We’ve selected the material that offers the best balance of performance and comfort for your vehicle’s needs.

Comfort (Blue 65A):

Our Comfort grade bushes are designed to enhance ride quality and minimise road noise, making them ideal for everyday driving. They are softer, providing maximum suspension articulation and a cushioned feel that absorbs bumps and vibrations effectively. This softer composition ensures a smoother, quieter driving experience, especially in Classic cars or Land Rovers. Comfort bushes maintain a balance between originality and ease of driving, catering to those who value a relaxed Factory-Fresh drive.

Dynamic (Orange 75A):

The Dynamic grade bushes offer a middle ground between Comfort and Performance. They are slightly firmer than the Comfort bushes, which improves handling and cornering response without sacrificing too much ride comfort. These bushes are ideal for drivers who enjoy a more engaging driving experience while still needing a level of comfort for daily use, whilst also being suitable for spirited driving & light track use.

Performance (RED 85A):

Performance grade bushes are the stiffest of the three, designed for enthusiasts who demand the utmost in handling and control. They offer minimal deflection, enhancing vehicle response and stability during aggressive driving. These bushes are perfect for high-performance or track vehicles where precision and handling are critical. While they might sacrifice some ride comfort, they deliver superior driving dynamics and control, ideal for those who push their vehicle to its limits – Including Towing!

Machinable Material:

These rods are produced in 90 Shore A which allows them to be machined on a lathe.

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HomeShopTriumphTR5/TR250 (1967-1968)

Polybush Shop

TR5/TR250 (1967-1968) Suspension Bushes

Triumph

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TR5/TR250 (1967-1968) suspension bush diagram

Key Information

Photos

Fitting Videos

Fitting Instructions

Additional product fitting instructions can be found below:

Specifications

The TR5 brought fuel injection and a smooth 2.5-litre straight-six to the range, sold as the carburettor TR250 in America, all riding on the TR4A’s independent rear suspension. These 1967 to 1968 cars are quick and desirable, but their original rubber bushes have perished, so the handling has usually gone vague and the rear restless.

The independent rear leans on its trailing arm bushes, radius arm bushes and the differential mountings, the same differential many owners come here searching for, and worn examples let the back axle move under the six’s extra torque. At the front, the top and bottom wishbone, anti-roll bar and drop link bushes soften and the steering rack mounts add slack, dulling the response.

A polyurethane suspension kit gives a Triumph TR5 or TR250 back its sharp, planted feel and resists the oil and salt that rot rubber. The definitive six-cylinder TR that followed is the TR6, while the TR4A shares this rear end, or see the full Triumph range.

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