Home :: Manufacturers :: Performance Online

Performance Online

Performance Online
Performance Online, disc brakes, suspension parts and steering components for Classic Chevrolet, Chevy, GMC, Ford, Buick, Oldsmobile, Merc, Mopar, Dodge, Plymouth, Chrysler and Pontiac cars and trucks.


1955-57 Chevy Belair V-8 Motor Mount Bracket Set, Side Mount, Black Powder Coated

NEW IMPROVED DESIGN! Our high quality motor mount brackets are a must for V-8 conversions! Available for 1955-57 Chevy Belair full size cars.  Now includes Mounts and all hardware.

1955-57 Chevy Belair, 150, 210 Universal Rear Shock Cross Member

Universal shock crossmember is used to fix the common problem often found with the original trunk floor shock mounts.

Narrowed shock crossmember is used when running the popular leaf spring relocation kit.

1955-57 Chevy Belair, 210 and 150 Sedan, Drop Spindle, Big Brake Conversion Kit, 13" Rotors, C5 Corvette Dual Piston Calipers

NEW 13" BIG Brake Kit! Complete with Corvette C5 dual piston aluminum calipers. Available for 1955-57 Chevy Belair, 210 and 150 Sedan car.

1955-57 Chevy Belair, Suspension Kit, Stage 2 with Coil Springs and Leaf Springs

Our Stage 2 suspension kit will lower your car and improve the handling all with one kit! Available for 1955-57 Chevy Belair.

1955-57 Chevy Belair-210-150 Rear Leaf Spring Axle Seats
When changing rear ends in your leaf spring car, it is always a good idea to install new spring axle seats. Available for 1955-57 Chevy Belair/210/150 car.
1955-57 Chevy Belair-210-150, Leaf Spring Tie Plate with Shock Stud
Available for 1955-57 Chevrolet Belair full size cars. This item is recommended for both customs and restorations.

NEW ITEM! Available for 1955-57 Chevy Belair full size cars. TUBULAR LOWER CONTROL ARM, SET.

1955-57 Chevy Fullsize Impala Belair Biscayne Front and Rear Power Disc Brake Conversion Kit
This is the best and easiest way to convert your vehicle to 4 wheel disc brakes. Available for 1955-57 Chevy Belair, 210, Nomad, 150
1955-57 Chevy Hydro-Boost Power Brake Booster Kit w/ Wilwood Master Cylinder

The Ultimate in Tri-5 power brakes.  POL has paired up our HydroBoost with a Wilwood master cylinder and prop valve for the ultimate braking experience.

1955-59 2nd Series Chevy Truck and GMC Truck Rear Frame C-Notch kit, Weld in type

Performance Online's frame C-notch kit is highly recommended when lowering the rear of your 1955-59 Chevy/GMC/3100 truck more than 4".

1955-59 Chevy 3100 Truck Aluminum Radiator

HOT NEW ITEM! Now available are our 100% tig welded aluminum radiators. Rated to cool up to 1000 horsepower! Available for 1955-59 Chevy trucks.

1955-59 Chevy and GMC Pickup OEM Replacement Gas Tank

NEW OEM Fuel Tanks. This fuel tank locates behind the seat just like the original.  Available for 1955.2-59 Chevrolet and GMC 3100 trucks.