Perfromance Shocks & Struts

Shocks and struts are terms often used interchangeably. Both are main parts of your vehicles suspension system, but each with different functions. Your struts hold the body of your car off the ground. They also incorporate assembly parts, such as the coil spring and the shock absorber. Your struts will also affect your 1978 Cadillac Seville alignment and steering. Additionally they provide support to the suspension springs. Shocks on the other hand absorb bumps on the road. Without shocks, your vehicle would still be able to move, however there would be plenty of bouncing.

Your factory shocks & struts are not designed to handle harder driving conditions. Over time, aggressive use can eventually cause damage to your factory shocks and struts. Performance shocks & struts are designed to better handle the more spirited drivers. Pairing shocks & struts with high performance coil overs, will give you the most optimal ride. If you have any questions about shocks or struts reach out to one of our experienced representatives and we can help you make a more informative decision.

The springs on your 1978 Cadillac Seville react to bumps, ruts and other road irregularities, cushioning the impact. Struts and shocks control spring movement, isolating the cabin from vibration, preventing excessive body movement and keeping the tire tread in contact with the road, for optimal traction and control. Your OE shocks and struts are fine for cruising, but don’t have the damping calibration to provide the stability necessary for performance driving. Our performance shocks and struts control suspension motion at speed so you have the traction and control you need to go faster and corner harder.

Shocks and struts, collectively called dampers, have pistons that move up and down inside hydraulic fluid cylinders. As the pistons move up and down in response to suspension movement, the hydraulic fluid is forced through small passages and valves in the pistons that resist oil flow, thereby damping spring oscillation and controlling suspension movement. The energy of the spring is turned into heat by the damper. Compression damping affects the spring when the vehicle hits a bump and it compresses, rebound damping controls the spring when it expands and forces the tire back down, after the bump.

Properly designed shocks and struts have valving for all stages of piston movement, from short and gentle travel as would be encountered with minor road irregularities to rapid and lengthy travel caused by potholes. However, OE and ordinary replacement shocks and struts are compromises, with damping that is usually biased toward a smooth ride. When a vehicle is driven hard with such components, the rapid movement of the pistons within the dampers causes the hydraulic fluid to foam and overheat, drastically reducing their ability to control suspension movement. This can result in excessive body roll and dive, unequal tire grip, and poor vehicle control. In contrast, our performance shocks and struts are designed for spirited driving, especially when paired with higher rate performance coil springs.

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KONI 8040-1087
Please Note:

Some images might not represent the actual product

KONI 8040-1087 Special D 'Red' Shocks
for 1978 Cadillac Seville ALL

$123.11

Save: $16.06
Sale Price:

$107.05

Estimated Ship Date: Today

In Stock - 7 New In Stock
EngineFitment Notes
1978 Cadillac Seville ALL equipped with
ALL
 
1978 Cadillac Seville ALL equipped with
ALL
,
Bilstein F4-BE3-E249-M0
Please Note:

Some images might not represent the actual product

Bilstein F4-BE3-E249-M0 AK Series 36mm Monotube Shock Absorber
for 1978 Cadillac Seville ALL

$119.29

Save: $15.56
Sale Price:

$103.73

Estimated Ship Date: Today

In Stock - 20 New In Stock
EnginePositionFit NotesFitment Notes
1978 Cadillac Seville ALL equipped with
L
 
Front
 
Suspension Shock Absorber
 
1978 Cadillac Seville ALL equipped with
L
Front Suspension Shock Absorber
1978 Cadillac Seville ALL equipped with
L
 
Front
 
Suspension Shock Absorber
 
1978 Cadillac Seville ALL equipped with
L
Front Suspension Shock Absorber
1978 Cadillac Seville ALL equipped with
L
 
Front
 
Suspension Shock Absorber
 
1978 Cadillac Seville ALL equipped with
L
Front Suspension Shock Absorber
,
Bilstein 24-009492
Please Note:

Some images might not represent the actual product

Bilstein 24-009492 B6 Performance Series 36mm Monotube Shock Absorber
for 1978 Cadillac Seville ALL

$108.11

Save: $14.10
Sale Price:

$94.01

Estimated Ship Date: Today

In Stock - 10 New In Stock
EnginePositionFit NotesFitment Notes
1978 Cadillac Seville ALL equipped with
L
 
Front
 
Suspension Shock Absorber
 
1978 Cadillac Seville ALL equipped with
L
Front Suspension Shock Absorber
1978 Cadillac Seville ALL equipped with
L
 
Front
 
Suspension Shock Absorber
 
1978 Cadillac Seville ALL equipped with
L
Front Suspension Shock Absorber
1978 Cadillac Seville ALL equipped with
L
 
Front
 
Suspension Shock Absorber
 
1978 Cadillac Seville ALL equipped with
L
Front Suspension Shock Absorber
,
KYB KG5506
Please Note:

Some images might not represent the actual product

KYB KG5506 Gas-a-Just High Pressure Monotube Gas Shock
for 1978 Cadillac Seville ALL

$54.94

Save: $7.17
Sale Price:

$47.77

Estimated Ship Date: Today

In Stock - 5 New In Stock
EnginePositionFit NotesFitment Notes
1978 Cadillac Seville ALL equipped with
ALL
 
Rear Left
 
Drivetrain: RWD
Eliminates OEM airshocks.: Eliminates OEM airshocks.
Monotube Performance Upgrade Eliminates OEM airshocks.: Monotube Performance Upgrade Eliminates OEM airshocks.
 
1978 Cadillac Seville ALL equipped with
ALL
Rear Left Drivetrain: RWD
Eliminates OEM airshocks.: Eliminates OEM airshocks.
Monotube Performance Upgrade Eliminates OEM airshocks.: Monotube Performance Upgrade Eliminates OEM airshocks.
1978 Cadillac Seville ALL equipped with
ALL
 
Rear Right
 
Drivetrain: RWD
Eliminates OEM airshocks.: Eliminates OEM airshocks.
Monotube Performance Upgrade Eliminates OEM airshocks.: Monotube Performance Upgrade Eliminates OEM airshocks.
 
1978 Cadillac Seville ALL equipped with
ALL
Rear Right Drivetrain: RWD
Eliminates OEM airshocks.: Eliminates OEM airshocks.
Monotube Performance Upgrade Eliminates OEM airshocks.: Monotube Performance Upgrade Eliminates OEM airshocks.
1978 Cadillac Seville ALL equipped with
ALL
 
Rear Left
 
Drivetrain: RWD
Eliminates OEM airshocks.: Eliminates OEM airshocks.
Monotube Performance Upgrade Eliminates OEM airshocks.: Monotube Performance Upgrade Eliminates OEM airshocks.
 
1978 Cadillac Seville ALL equipped with
ALL
Rear Left Drivetrain: RWD
Eliminates OEM airshocks.: Eliminates OEM airshocks.
Monotube Performance Upgrade Eliminates OEM airshocks.: Monotube Performance Upgrade Eliminates OEM airshocks.
1978 Cadillac Seville ALL equipped with
ALL
 
Rear Right
 
Drivetrain: RWD
Eliminates OEM airshocks.: Eliminates OEM airshocks.
Monotube Performance Upgrade Eliminates OEM airshocks.: Monotube Performance Upgrade Eliminates OEM airshocks.
 
1978 Cadillac Seville ALL equipped with
ALL
Rear Right Drivetrain: RWD
Eliminates OEM airshocks.: Eliminates OEM airshocks.
Monotube Performance Upgrade Eliminates OEM airshocks.: Monotube Performance Upgrade Eliminates OEM airshocks.
1978 Cadillac Seville ALL equipped with
ALL
 
Rear Left
 
Drivetrain: RWD
Eliminates OEM airshocks.: Eliminates OEM airshocks.
Monotube Performance Upgrade Eliminates OEM airshocks.: Monotube Performance Upgrade Eliminates OEM airshocks.
 
1978 Cadillac Seville ALL equipped with
ALL
Rear Left Drivetrain: RWD
Eliminates OEM airshocks.: Eliminates OEM airshocks.
Monotube Performance Upgrade Eliminates OEM airshocks.: Monotube Performance Upgrade Eliminates OEM airshocks.
1978 Cadillac Seville ALL equipped with
ALL
 
Rear Right
 
Drivetrain: RWD
Eliminates OEM airshocks.: Eliminates OEM airshocks.
Monotube Performance Upgrade Eliminates OEM airshocks.: Monotube Performance Upgrade Eliminates OEM airshocks.
 
1978 Cadillac Seville ALL equipped with
ALL
Rear Right Drivetrain: RWD
Eliminates OEM airshocks.: Eliminates OEM airshocks.
Monotube Performance Upgrade Eliminates OEM airshocks.: Monotube Performance Upgrade Eliminates OEM airshocks.
,
KYB KG4513
Please Note:

Some images might not represent the actual product

KYB KG4513 Gas-a-Just High Pressure Monotube Gas Shock
for 1978 Cadillac Seville ALL

$50.11

Save: $6.54
Sale Price:

$43.57

Estimated Ship Date: Today

In Stock - 12 New In Stock
EnginePositionFit NotesFitment Notes
1978 Cadillac Seville ALL equipped with
ALL
 
Front Left
 
Drivetrain: RWD
Monotube Performance Upgrade: Monotube Performance Upgrade
 
1978 Cadillac Seville ALL equipped with
ALL
Front Left Drivetrain: RWD
Monotube Performance Upgrade: Monotube Performance Upgrade
1978 Cadillac Seville ALL equipped with
ALL
 
Front Right
 
Drivetrain: RWD
Monotube Performance Upgrade: Monotube Performance Upgrade
 
1978 Cadillac Seville ALL equipped with
ALL
Front Right Drivetrain: RWD
Monotube Performance Upgrade: Monotube Performance Upgrade
1978 Cadillac Seville ALL equipped with
ALL
 
Front Left
 
Drivetrain: RWD
Monotube Performance Upgrade: Monotube Performance Upgrade
 
1978 Cadillac Seville ALL equipped with
ALL
Front Left Drivetrain: RWD
Monotube Performance Upgrade: Monotube Performance Upgrade
1978 Cadillac Seville ALL equipped with
ALL
 
Front Right
 
Drivetrain: RWD
Monotube Performance Upgrade: Monotube Performance Upgrade
 
1978 Cadillac Seville ALL equipped with
ALL
Front Right Drivetrain: RWD
Monotube Performance Upgrade: Monotube Performance Upgrade
1978 Cadillac Seville ALL equipped with
ALL
 
Front Left
 
Drivetrain: RWD
Monotube Performance Upgrade: Monotube Performance Upgrade
 
1978 Cadillac Seville ALL equipped with
ALL
Front Left Drivetrain: RWD
Monotube Performance Upgrade: Monotube Performance Upgrade
1978 Cadillac Seville ALL equipped with
ALL
 
Front Right
 
Drivetrain: RWD
Monotube Performance Upgrade: Monotube Performance Upgrade
 
1978 Cadillac Seville ALL equipped with
ALL
Front Right Drivetrain: RWD
Monotube Performance Upgrade: Monotube Performance Upgrade
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