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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.

Products

1947-55 Chevy and GMC Truck Leaf Spring Set, Front Lowered 2.5"
1947-55 Chevy and GMC Truck Leaf Spring Set, Front Lowered 2.5"

American made front lowered multi leaf springs available for 1947-55 Chevy/GMC/3100 trucks. 

$349.99
1955-65 Chevy Belair Impala Biscayne Fullsize Car Wilwood Power Brake Booster Kit, Chrome
1955-65 Chevy Belair Impala Biscayne Fullsize Car Wilwood Power Brake Booster Kit, Chrome

Now Available for 1955-65 Chevy Belair, 210, 150, Impala, Biscayne, Caprice fullsize cars is our killer chrome Wilwood booster kit.  This kit wil instantly improve the looks of any engine bay.

$599.99
1949-54 Chevy Belair Rear Leaf Spring Axle Seats - 1.75" Wide
1949-54 Chevy Belair Rear Leaf Spring Axle Seats - 1.75" Wide

When updating the rear ends in your classic Chevy, it is always a good idea to install new spring axle seats. Available for 1949-54 Chevy Passenger cars & Sedan Delivery's.

$49.99
1973-87 Chevy Truck and GMC Truck Rear Frame C-Notch kit, Bolt in type
1973-87 Chevy Truck and GMC Truck Rear Frame C-Notch kit, Bolt in type

AS SEEN IN CUSTOM CLASSIC TRUCKS MAGAZINE. Our frame C-notch kit is highly recommended when lowering the rear of your 1973-87 Chevy/GMC/C10/C20 truck more than 4".

$129.99
King Pins for 1949-54 Chevy Car
King Pins for 1949-54 Chevy Car

King pins available for 1949-54 Chevy car.

$62.99
HYDRO-BOOST Hydraulic Brake Assist System with Wilwood Master Cylinder, 1955-59 Chevy Truck, Firewall Mount
HYDRO-BOOST Hydraulic Brake Assist System with Wilwood Master Cylinder, 1955-59 Chevy Truck, Firewall Mount

Hydraulic Brake Assist System. Utilizes Bosch HydroBoost and Wilwood master cylinder. Performance Online has developed the answer to all of the power brake issues associated with high performance vehicles. Fits 1955, 56, 57, 58 and 1959 Chevy and GMC trucks.

$699.99
1948-52 Ford F1 Truck Firewall Mount Power Brake Booster Kit
1948-52 Ford F1 Truck Firewall Mount Power Brake Booster Kit

NOW Available for 1948-52 Ford F-1 trucks. Add power brakes to your truck without major modifications! Available for both drum and disc brake applications.

$329.99
1962 Chevy Nova Idler Arm Bearing Conversion Kit
1962 Chevy Nova Idler Arm Bearing Conversion Kit
Idler arm bearing conversion available for 1962 Chevy Nova car.
$220.99
1963-72 Dodge, Plymouth A-Body Ball Joint, Upper
1963-72 Dodge, Plymouth A-Body Ball Joint, Upper

These ball joints fit 1963-72 Mopar A-Body factory upper control arms.

$17.99
1965-72 Mopar B-Body, 1973-76 Mopar A-Body, 1970-74 Mopar E-Body Ball Joint, Upper
1965-72 Mopar B-Body, 1973-76 Mopar A-Body, 1970-74 Mopar E-Body Ball Joint, Upper

These ball joints fit 1965-72 Mopar B-Body, 70-74 E-Body & 73-76 A-Body factory and tubular upper control arms.

$13.99
1965-74 Mopar B & E Body Lower Ball Joint, LH for Disc Brakes
1965-74 Mopar B & E Body Lower Ball Joint, LH for Disc Brakes

These lower ball joints fit 1965-74 Mopar B & E body with disc brakes, Drivers side

$28.99
1963-72 Mopar A-Body Lower Ball Joint for Drum Brakes, RH
1963-72 Mopar A-Body Lower Ball Joint for Drum Brakes, RH

These lower ball joints fit 1963-72 Mopar A body cars with factory drum brakes. Passenger Side

$45.99