All Smooth Line hardtop shells are a high-tech fiberglass composite carefully molded and trimmed to exacting tolerances to insure a perfect fit on your vehicle. After the shell is molded it is oven cured to insure dimensional stability in all types of environments. Our hardtops are typically much lighter weight than the OEM hardtops because of the higher fiberglass content, less filler and resin achieved in our molding process.

All Smooth Line hardtops are available standard with a smooth black urethane primer ready for color topcoat. “Ready for topcoat’ means that the body shop will have a minimum of prep before spraying the color coat. Absolutely no body work will be necessary. We have found the most accurate color match can only be achieved at a quality body shop which uses the latest computer equipment to match the color on your vehicle.

Yes, Smooth Line also offers a Haartz vinyl exterior designed to compliment your vehicle. This upgrade is truly distinctive and reminds one of the roof treatments of the 60’s muscle cars. There is no need for painting with the Haartz vinyl option. When it arrives, the hardtop is ready to install and use. View color choices

There are five upgrades available:

1. Interior Headliner
   The interior headliner upgrade is a thicker black or tan felt material compared to the standard headliner. This offers improved interior sound deadening and insulates the cockpit even better.
2. Exterior Material Upgrade
   For those who would like a contrasting color or don't want to paint we offer a Factory installed Elk grain Haartz premium vinyl exterior covering. This gives a very soft, subtle look that is not over stated. Available in White, Black, Tan
3. Type of Rear Window
   The rear window upgrades offer the choice of AS 2 safety glass (OEM tint). These are more scratch resistant than Plexiglas and are also available with the defroster grid so you can defog your window if your vehicle is wired with that system.
4. Sunroof
   Add another dimension to your Hardtop - Our deluxe sunroof is flush mounted with a weather tight silicone seal. It measures 15 X 30 and is fitted with a solar high performance glass which provides 92% U. V. protection.
5. Bright Trim Package
   Create the complete look for your classic with the addition of bright chrome like trim moldings for the leading edge , side windows, rear deck, and rear window surround. Looks better than the way the factory would design it. Compliments the existing bright work on your vehicle for the perfect finishing touch. Moldings are furnished with 3M acrylic automotive tape bonded to the back side and are easy to apply for a permanent installation after painting.

 Everything is manufactured in house at our factory in Tarentum, Pennsylvania.  This is to insure the best quality and fit.  Careful attention to detail in every step insures our customers a product which may even outlast your vehicle. 

Most orders are shipped to our customers or to the shop of their choice where it will be fitted and painted. Orders can also be shipped to your local freight terminal for your pickup. Smooth Line can arrange delivery worldwide. Every order is packaged in specially designed corrugated boxes to minimize freight damage at no extra cost. Domestic orders are shipped by motor freight (truck) and are completely insured against loss or damage. Smooth Line will also handle the paperwork and logistics if any damage is discovered at the time of delivery on domestic shipments. Freight costs are established at the time of order and are shipped prepaid to your destination.
Orders can be picked up by appointment during business hours and are subject to Pennsylvania State Sales Tax (7%).

All of the hardtops come with all the rubber gaskets, moldings and latching hardware. There is nothing extra to buy. There is no modification to the vehicle except for minor changes to a few of the classic tops. The convertible top stays in the car except for one of the Classic tops. In general, it may be necessary to install two brackets for the rear latch points (no hole drilling). From that point it is a matter of lifting the Hardtop on the car and latching it down. Adjustments sometimes are necessary and are covered in the provided instructions. We recommend that you become familiar with the details of the installation but have a competent body man fit it properly to the vehicle. It is not difficult and should take 2-3 hours at the shop (money well spent). Smooth Line Technicians are available to answer any questions. Once it is fitted, it can be painted and then the rubber seals and trim moldings can be applied. For specific details, see the instructions on the hardtop you are interested in located on that specific hardtop webpage.

Smooth Line hardtops are very easy to remove and put on. They are easy to handle because they are light weight (40 to 55lbs in most cases) and generally no tools are necessary. Just a twist of the knobs or levers will loosen or tighten the latches. In just a few minutes the hardtop can be on or off your car. Also available are hardtop carriers and hardtop hoists to make it even easier and protect the hardtop when off the car.

Most of the hardtops are made to your specific order. However, we do try to stock some of the more popular hardtops for immediate shipment. An ordered hardtop can be generally shipped in four weeks depending upon the backlog at the time of your order. You will be provided with a time estimate of your hardtop at the time of your order.

A non refundable $500.00 deposit is required to begin your order. We accept Master Card, Visa, or check. Full payment is required 10 -14 days prior to shipment. Credit Cards can be used in our secure shopping cart or by phone.

It is important to store the hardtop so that it is safe and it not subject to damaging the painted finish or the rubber moldings. A Smooth Line hardtop cart / cover is a great  solution for use in the garage or any other storage area. This allows the hardtop to be conveniently wheeled away in the padded cradle and protected from scratches and dust when covered. It is then ready to wheel to your car at any time.  A Smooth Line hardtop hoist is another solution. The hardtop can be hoisted out of the way in your garage and can be lowered down when you are ready to use it.

• Cool, head turning looks – Turn your roadster into a GT or a super coupe
• Peace and quiet – great for long trips, conversation or good music
• Dry – no more water leaks
• Security – less chance for break-ins or ripped convertible tops
• Preserve the convertible fabric from the elements
• Drive on the track without the need for a roll bar
• Aerodynamically cleaner- Better fuel mileage
• More fun to drive- Like  owning two different cars

Thousands of Smooth Line hardtops have been installed over the years. Everything is checked with jigs or actual vehicles before it is shipped to insure the proper fit to your vehicle. We recommend that everyone, including trained body men, read the installation instructions thoroughly before proceeding to the actual installation.  Identify all of the hardware, moldings and weather seals. You likely won’t have any questions if you follow these guidelines. However, if you do, please contact our tech. people who will help get you on your way. Sometimes an e-mailed digital photo will solve your problem quickly. We also recommend fitting the hardtop before painting as well.

Most courses will require a roll bar in a convertible for any event while a hardtop is exempt.  Check your local rules.  For the serious competitor a Hardtop will help stiffen the chassis, aerodynamically cleanup the car for a higher top end, while quieting down the wind noise allowing for more concentration on driving, all resulting in lower lap times.. 

Again read the rules that sanction your strip. Generally speaking convertibles are limited to a lower speed than hardtops.

The Smooth Line hardtop is the best accessory investment you can add to your car. Besides the payback of the personal enjoyment you will have, it also will add value to your car at resale or can be sold off the car to another car owner. It can be easily removed and because no modifications were required to install, your car is left undisturbed. As you know, most add on accessories add very little to your car’s value.