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Aluminum Wheels
Most people say that changing over to aluminum wheels has made a significant.been the single most effective improvement they have made to the ride and performance of tht we now eir GMC. This is mostly due to the improved feel and balance of the Allow wheels. The original steel wheels are now from 36 to 41 years old! Most of them are bent, out of round and just not easy to balance. The Aluminum wheel are very easy to balance and true the wheels. This give you the smoothest ride you may have ever had in your GMC. Just ask an owner with Alcoa wheels.Aluminum Wheel Center Caps
Now in stock - Machined Aluminum wheel center caps. These are the solid aluminum center hub caps with the letters GMC engraved. Fits Alcoa Aluminum wheels.
MEHANICAL UPGRADES
HUB EXTENDERS FOR FRONT WHEELS -
Provides a wider stance with the proper wheel offset for the front wheels.
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Allows front track width to equal rear track width.
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Especially important when using the ALCOA aluminum wheels.
Click Here for more info on Parts
COMPLETE BRAKING SYSTEM UPGRADE-
Brake System Parts are engineered for direct replacement or upgrade;
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Front Brake parts
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Upgrade to larger diameter engineered brake calipers.
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Front stainless brake hoses
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Severe duty brake pads. These fit either original or upgrade calipers.
Disc Brake Rotor
Disc Brake Caliper
Front Stainless Brake Hoses
Brake Distribution Valve
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Front Steering Knuckle and Hub
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Steering Knuckle and Hub. Cores required. May need to be replaced if wear shows on either Hub or Knuckle.
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Timken wheel bearings. Should be re-packed when brakes are serviced. Replace if there is wear showing on Hub or Knuckle.
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Grease seals for wheel bearings
Front Steering Knuckle
Front Wheel Hub
Timken Wheel Bearings
Wheel Bearing Seals
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Rear Brake Parts.
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Engineered replacement brake drums
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Upgrade wheel cylinders. Install these on the front set of rear wheels. Use standard wheel cylinders on the rear set of rear wheels for improved
balanced braking.
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Severe duty brake shoes. These work with standard and upgrade wheel cylinders.
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Stainless rear brake hoses
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Upgrade to rear disc brakes. Complete kits available as well as individual parts.
Rear Brake Drums
Severe Duty Rear Brake Shoes
Stainless braided rear brake hoses
TIRE PRESSURE MONITORING - SAFETY UPGRADE
We are always looking for new products that will improve the safety and dependability of our vintage and new vehicles.
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This new product is Air-Alert, an economical and easy to install active TPMS (Tire Pressure Monitoring System).
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Call us for pricing. List price is $24.95/ wheel. Discount for club members.
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The Air-Alert can be quickly installed yourself with no special tools, or we will be glad to install them for you in our shop.
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It self-calibrates to whatever pressure your tire has in it at the time of installation.
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It works with any tire pressure from 10-200 psi
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The LED starts flashing red if the tire pressure drops from 5-10 lbs and can be easily seen flashing from almost any angle.
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Very rugged, durable construction of chrome-plated stainless steel.
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Replaces a standard valve stem cap and requires no tools for installation.
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Includes anti-theft locking nut.
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Unit is guaranteed for two years, but usually operates for up to 5 years. It is suggested you install new Air-Alert monitoring caps whenever you install new tires.
MAJOR MECHANICAL UPGRADES: ENGINE AND TRANSMISSION REBUILD
MECHANICAL UPGRADES FOR IMPROVED SAFETY AND PERFORMANCE
Our engineering team is always looking for new product solutions to keep our GMC coaches functioning as well or better than new. We have created several new
parts that improve the safety, handling or performance of the GMC coach.
AIR SUSPENSION UPGRADE
Air Suspension replacement Air Springs (GMC owners call them Air Bags)
The original GM factory air suspension air springs (air bags) are no longer being manufactured so our engineers have designed a replacement system using currently
available off the shelf air bags from Firestone.
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This design uses two bags to replace one of the original bags and provide the same suspension travel. Our system duplicates the original suspension travel with bags
that are the same diameter as the original bags.
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The new system does not interfere with the overall leveling system, the brakes, or the other suspension components.
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This design will operate at the same air pressure as the original system and provide the correct ride height.
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Individual bags can easily be replaced as needed.
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Complete installation can be performed in our shop.
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The complete new installation kit for both sides includes all mounting hardware, four new Firestone air bags, remote fill valves, air distribution blocks, and cut-off
valves.
Click here for more info on Air Bags and Air Suspension
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Aluminum Wheels
Most people say that changing over to aluminum wheels has made a significant.been the single most effective improvement they have made to the ride and performance of tht we now eir GMC. This is mostly due to the improved feel and balance of the Allow wheels. The original steel wheels are now from 36 to 41 years old! Most of them are bent, out of round and just not easy to balance. The Aluminum wheel are very easy to balance and true the wheels. This give you the smoothest ride you may have ever had in your GMC. Just ask an owner with Alcoa wheels.Aluminum Wheel Center Caps
Now in stock - Machined Aluminum wheel center caps. These are the solid aluminum center hub caps with the letters GMC engraved. Fits Alcoa Aluminum wheels.
MEHANICAL UPGRADES
Alex Sirum GMC Motorhomes, Inc.
1800 Hwy 70 East
Okeechobee, FL 34972
Phone: (863)763-1121
Fax: (863)763-1124
