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Twillfast

Why Haartz Outperforms the Competition in Convertible Top Materials

March 20, 2025 By Gary Dekirmendjian

The Hog Ring - Why Haartz Outperforms the Competition in Convertible Top Materials

When it comes to convertible tops, not all materials are created equal. At OEM+ Auto Tops, we refuse to compromise on quality, which is why we exclusively use Haartz Twillfast RPC — a high performance topping material made by the folks who provide the premium material found on luxury vehicles like Bentley, Mercedes, BMW, Jaguar, Ford and more. … [Read more...] about Why Haartz Outperforms the Competition in Convertible Top Materials

What’s the Difference Between Stayfast and Twillfast?

May 20, 2019 By Nadeem Muaddi

The Hog Ring - What the difference between Stayfast and Twillfast

Among Haartz Corporation's impressive range of OEM and aftermarket convertible topping are its Stayfast and Twillfast lines. … [Read more...] about What’s the Difference Between Stayfast and Twillfast?

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Auto Upholstery - The Hog Ring - 1967 Ford Mustang

Design Studio: 1967-68 Mustang Door Panel

The Hog Ring Design Studio continues its … [more] about Design Studio: 1967-68 Mustang Door Panel

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Junk in the Trunk: Don’t Hide It, Disguise It!

Upholstering a vehicle’s trunk can be … [more] about Junk in the Trunk: Don’t Hide It, Disguise It!

Is Leather Really Better Than Vinyl?

In the past, when manufacturing restrictions … [more] about Is Leather Really Better Than Vinyl?

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Dream Garage: Pneumatic-Lifting Table

This is the first in a new series of articles … [more] about Dream Garage: Pneumatic-Lifting Table

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Design Studio: 1968-72 Chevelle Door Panel

We’re continuing our popular door panel … [more] about Design Studio: 1968-72 Chevelle Door Panel

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Design Studio: 1967-69 Camaro

The popularity and timeless design of the … [more] about Design Studio: 1967-69 Camaro

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