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About Aldan Performance
Established in 1981, Aldan American is the professional’s choice for high-quality performance suspension system upgrades and parts, including shock absorbers, coilovers, and suspension kits, designed for racing, street-performance, and vehicle-specific applications. Aldan American’s products are designed, tested, and made in the U.S.A. Aldan American is a team of automotive enthusiasts who specialize in high-performance coilover and suspension system upgrades. From the first-time builder to the professional racer, Aldan American is ready to help you achieve your suspension goals.
Browse Coil-Over Springs Products
Description: Coil-Over Spring, 450 lbs. Rate, 9.625 in. Length, 3.5 in Upper./2.5 in. Lower I.D. Black Powdercoated. Cold wound, High tensile, chrome silicon steel. Flat ground spring-ends for precise seating &...More Details »
Item #: ALD/10USA450
Condition:
New
Price: $135.95
Sale: Add to Cart to see Price
Description: Coil-Over Spring, 450 lbs. Rate, 9.625 in. Length, 4.1 in Upper./2.5 in. Lower I.D. Black Powdercoated. Cold wound, High tensile, chrome silicon steel. Flat ground spring-ends for precise seating &...More Details »
Item #: ALD/10USB450
Condition:
New
Price: $135.95
Sale: Add to Cart to see Price
Description: Coil-Over Spring, 550 lbs. Rate, 9.625 in. Length, 3.5 in Upper./2.5 in. Lower I.D. Black Powdercoated. Cold wound, High tensile, chrome silicon steel. Flat ground spring-ends for precise seating &...More Details »
Item #: ALD/10USA550
Condition:
New
Price: $135.95
Sale: Add to Cart to see Price
Description: Coil-Over Spring, 550 lbs. Rate, 9.625 in. Length, 4.1 in Upper./2.5 in. Lower I.D. Black Powdercoated. Cold wound, High tensile, chrome silicon steel. Flat ground spring-ends for precise seating &...More Details »
Item #: ALD/10USB550
Condition:
New
Price: $135.95
Sale: Add to Cart to see Price
Description: Coil-Over-Spring, 100 lbs./in. Rate, 10 in. Length, 2.5 in. Inside Diameter. Black Powdercoat, Each. Made in USA
Item #: ALD/10-100BK
Condition:
New
Price: $74.95
Sale: Add to Cart to see Price
Description: Coil-Over-Spring, 100 lbs./in. Rate, 10 in. Length, 2.5 in. Inside Diameter. Black Powdercoat, Pair. Made in USA
Item #: ALD/10-100BK2
Condition:
New
Price: $149.90
Sale: Add to Cart to see Price
Description: Coil-Over-Spring, 100 lbs./in. Rate, 12 in. Length, 2.5 in. Inside Diameter. Black Powdercoat, Each. Made in USA
Item #: ALD/12-100BK
Condition:
New
Price: $74.95
Sale: Add to Cart to see Price
Description: Coil-Over-Spring, 100 lbs./in. Rate, 12 in. Length, 2.5 in. Inside Diameter. Black Powdercoat, Pair. Made in USA
Item #: ALD/12-100BK2
Condition:
New
Price: $149.90
Sale: Add to Cart to see Price
Description: Coil-Over-Spring, 100 lbs./in. Rate, 12 in. Length, 2.5 in. Inside Diameter. Durable Chrome Plated Finish, Each. Made in USA
Item #: ALD/12-100CH
Condition:
New
Price: $104.95
Sale: Add to Cart to see Price
Description: Coil-Over-Spring, 100 lbs./in. Rate, 12 in. Length, 2.5 in. Inside Diameter. Durable Chrome Plated Finish, Pair. Made in USA
Item #: ALD/12-100CH2
Condition:
New
Price: $209.90
Sale: Add to Cart to see Price
Description: Coil-Over-Spring, 100 lbs./in. Rate, 9 in. Length, 2.5 in. Inside Diameter. Durable Chrome Plated Finish, Each. Made in USA
Item #: ALD/10-100CH
Condition:
New
Price: $104.95
Sale: Add to Cart to see Price
Description: Coil-Over-Spring, 100 lbs./in. Rate, 9 in. Length, 2.5 in. Inside Diameter. Durable Chrome Plated Finish, Pair. Made in USA
Item #: ALD/10-100CH2
Condition:
New
Price: $209.90
Sale: Add to Cart to see Price
Description: Coil-Over-Spring, 120 lbs./in. Rate, 10 in. Length, 2.5 in. Inside Diameter. Black Powdercoat, Each. Made in USA
Item #: ALD/10-120BK
Condition:
New
Price: $74.95
Sale: Add to Cart to see Price
Description: Coil-Over-Spring, 120 lbs./in. Rate, 10 in. Length, 2.5 in. Inside Diameter. Black Powdercoat, Pair. Made in USA
Item #: ALD/10-120BK2
Condition:
New
Price: $149.90
Sale: Add to Cart to see Price
Description: Coil-Over-Spring, 120 lbs./in. Rate, 10 in. Length, 2.5 in. Inside Diameter. Durable Chrome Plated Finish, Each. Made in USA
Item #: ALD/10-120CH
Condition:
New
Price: $104.95
Sale: Add to Cart to see Price
Description: Coil-Over-Spring, 120 lbs./in. Rate, 10 in. Length, 2.5 in. Inside Diameter. Durable Chrome Plated Finish, Pair. Made in USA
Item #: ALD/10-120CH2
Condition:
New
Price: $209.90
Sale: Add to Cart to see Price
Description: Coil-Over-Spring, 120 lbs./in. Rate, 12 in. Length, 2.5 in. Inside Diameter. Black Powdercoat, Each. Made in USA
Item #: ALD/12-120BK
Condition:
New
Price: $74.95
Sale: Add to Cart to see Price
Description: Coil-Over-Spring, 120 lbs./in. Rate, 12 in. Length, 2.5 in. Inside Diameter. Black Powdercoat, Pair. Made in USA
Item #: ALD/12-120BK2
Condition:
New
Price: $149.90
Sale: Add to Cart to see Price
Description: Coil-Over-Spring, 120 lbs./in. Rate, 12 in. Length, 2.5 in. Inside Diameter. Durable Chrome Plated Finish, Each. Made in USA
Item #: ALD/12-120CH
Condition:
New
Price: $104.95
Sale: Add to Cart to see Price
Description: Coil-Over-Spring, 120 lbs./in. Rate, 12 in. Length, 2.5 in. Inside Diameter. Durable Chrome Plated Finish, Pair. Made in USA
Item #: ALD/12-120CH2
Condition:
New
Price: $209.90
Sale: Add to Cart to see Price
Description: Coil-Over-Spring, 140 lbs./in. Rate, 10 in. Length, 2.5 in. Inside Diameter. Black Powdercoat, Each. Made in USA
Item #: ALD/10-140BK
Condition:
New
Price: $74.95
Sale: Add to Cart to see Price
Description: Coil-Over-Spring, 140 lbs./in. Rate, 10 in. Length, 2.5 in. Inside Diameter. Black Powdercoat, Pair. Made in USA
Item #: ALD/10-140BK2
Condition:
New
Price: $149.90
Sale: Add to Cart to see Price
Description: Coil-Over-Spring, 140 lbs./in. Rate, 10 in. Length, 2.5 in. Inside Diameter. Durable Chrome Plated Finish, Each. Made in USA
Item #: ALD/10-140CH
Condition:
New
Price: $104.95
Sale: Add to Cart to see Price
Description: Coil-Over-Spring, 140 lbs./in. Rate, 10 in. Length, 2.5 in. Inside Diameter. Durable Chrome Plated Finish, Pair. Made in USA
Item #: ALD/10-140CH2
Condition:
New
Price: $209.90
Sale: Add to Cart to see Price
Description: Coil-Over-Spring, 140 lbs./in. Rate, 12 in. Length, 2.5 in. Inside Diameter. Black Powdercoat, Each. Made in USA
Item #: ALD/12-140BK
Condition:
New
Price: $74.95
Sale: Add to Cart to see Price
Description: Coil-Over-Spring, 140 lbs./in. Rate, 12 in. Length, 2.5 in. Inside Diameter. Black Powdercoat, Pair. Made in USA
Item #: ALD/12-140BK2
Condition:
New
Price: $149.90
Sale: Add to Cart to see Price
Description: Coil-Over-Spring, 140 lbs./in. Rate, 12 in. Length, 2.5 in. Inside Diameter. Durable Chrome Plated Finish, Each. Made in USA
Item #: ALD/12-140CH
Condition:
New
Price: $104.95
Sale: Add to Cart to see Price
Description: Coil-Over-Spring, 140 lbs./in. Rate, 12 in. Length, 2.5 in. Inside Diameter. Durable Chrome Plated Finish, Pair. Made in USA
Item #: ALD/12-140CH2
Condition:
New
Price: $209.90
Sale: Add to Cart to see Price
Description: Coil-Over-Spring, 160 lbs./in. Rate, 10 in. Length, 2.5 in. Inside Diameter. Black Powdercoat, Each. Made in USA
Item #: ALD/10-160BK
Condition:
New
Price: $74.95
Sale: Add to Cart to see Price
Description: Coil-Over-Spring, 160 lbs./in. Rate, 10 in. Length, 2.5 in. Inside Diameter. Black Powdercoat, Pair. Made in USA
Item #: ALD/10-160BK2
Condition:
New
Price: $149.90
Sale: Add to Cart to see Price
Description: Coil-Over-Spring, 160 lbs./in. Rate, 10 in. Length, 2.5 in. Inside Diameter. Durable Chrome Plated Finish, Each. Made in USA
Item #: ALD/10-160CH
Condition:
New
Price: $104.95
Sale: Add to Cart to see Price
Description: Coil-Over-Spring, 160 lbs./in. Rate, 10 in. Length, 2.5 in. Inside Diameter. Durable Chrome Plated Finish, Pair. Made in USA
Item #: ALD/10-160CH2
Condition:
New
Price: $209.90
Sale: Add to Cart to see Price
Description: Coil-Over-Spring, 160 lbs./in. Rate, 12 in. Length, 2.5 in. Inside Diameter. Black Powdercoat, Each. Made in USA
Item #: ALD/12-160BK
Condition:
New
Price: $74.95
Sale: Add to Cart to see Price
Description: Coil-Over-Spring, 160 lbs./in. Rate, 12 in. Length, 2.5 in. Inside Diameter. Black Powdercoat, Pair. Made in USA
Item #: ALD/12-160BK2
Condition:
New
Price: $149.90
Sale: Add to Cart to see Price
Description: Coil-Over-Spring, 160 lbs./in. Rate, 12 in. Length, 2.5 in. Inside Diameter. Durable Chrome Plated Finish, Each. Made in USA
Item #: ALD/12-160CH
Condition:
New
Price: $104.95
Sale: Add to Cart to see Price
Description: Coil-Over-Spring, 160 lbs./in. Rate, 12 in. Length, 2.5 in. Inside Diameter. Durable Chrome Plated Finish, Pair. Made in USA
Item #: ALD/12-160CH2
Condition:
New
Price: $209.90
Sale: Add to Cart to see Price
Description: Coil-Over-Spring, 180 lbs./in. Rate, 10 in. Length, 2.5 in. Inside Diameter. Black Powdercoat, Each. Made in USA
Item #: ALD/10-180BK
Condition:
New
Price: $74.95
Sale: Add to Cart to see Price
Description: Coil-Over-Spring, 180 lbs./in. Rate, 10 in. Length, 2.5 in. Inside Diameter. Black Powdercoat, Pair. Made in USA
Item #: ALD/10-180BK2
Condition:
New
Price: $149.90
Sale: Add to Cart to see Price
Description: Coil-Over-Spring, 180 lbs./in. Rate, 10 in. Length, 2.5 in. Inside Diameter. Durable Chrome Plated Finish, Each. Made in USA
Item #: ALD/10-180CH
Condition:
New
Price: $104.95
Sale: Add to Cart to see Price
Description: Coil-Over-Spring, 180 lbs./in. Rate, 10 in. Length, 2.5 in. Inside Diameter. Durable Chrome Plated Finish, Pair. Made in USA
Item #: ALD/10-180CH2
Condition:
New
Price: $209.90
Sale: Add to Cart to see Price
Description: Coil-Over-Spring, 180 lbs./in. Rate, 12 in. Length, 2.5 in. Inside Diameter. Black Powdercoat, Each. Made in USA
Item #: ALD/12-180BK
Condition:
New
Price: $74.95
Sale: Add to Cart to see Price
Description: Coil-Over-Spring, 180 lbs./in. Rate, 12 in. Length, 2.5 in. Inside Diameter. Black Powdercoat, Pair. Made in USA
Item #: ALD/12-180BK2
Condition:
New
Price: $149.90
Sale: Add to Cart to see Price
Description: Coil-Over-Spring, 180 lbs./in. Rate, 12 in. Length, 2.5 in. Inside Diameter. Durable Chrome Plated Finish, Each. Made in USA
Item #: ALD/12-180CH
Condition:
New
Price: $104.95
Sale: Add to Cart to see Price
Description: Coil-Over-Spring, 180 lbs./in. Rate, 12 in. Length, 2.5 in. Inside Diameter. Durable Chrome Plated Finish, Pair. Made in USA
Item #: ALD/12-180CH2
Condition:
New
Price: $209.90
Sale: Add to Cart to see Price
Description: Coil-Over-Spring, 180 lbs./in. Rate, 9 in. Length, 2.5 in. Inside Diameter. Black Powdercoat, Each. Made in USA
Item #: ALD/9-180BK
Condition:
New
Price: $74.95
Sale: Add to Cart to see Price
Description: Coil-Over-Spring, 180 lbs./in. Rate, 9 in. Length, 2.5 in. Inside Diameter. Black Powdercoat, Pair. Made in USA
Item #: ALD/9-180BK2
Condition:
New
Price: $149.90
Sale: Add to Cart to see Price
Description: Coil-Over-Spring, 180 lbs./in. Rate, 9 in. Length, 2.5 in. Inside Diameter. Durable Chrome Plated Finish, Each. Made in USA
Item #: ALD/9-180CH
Condition:
New
Price: $104.95
Sale: Add to Cart to see Price
Description: Coil-Over-Spring, 180 lbs./in. Rate, 9 in. Length, 2.5 in. Inside Diameter. Durable Chrome Plated Finish, Pair. Made in USA
Item #: ALD/9-180CH2
Condition:
New
Price: $209.90
Sale: Add to Cart to see Price
Description: Coil-Over-Spring, 200 lbs./in. Rate, 10 in. Length, 2.5 in. Inside Diameter. Durable Chrome Plated Finish, Each. Made in USA
Item #: ALD/10-200CH
Condition:
New
Price: $104.95
Sale: Add to Cart to see Price
Description: Coil-Over-Spring, 200 lbs./in. Rate, 10 in. Length, 2.5 in. Inside Diameter. Durable Chrome Plated Finish, Pair. Made in USA
Item #: ALD/10-200CH2
Condition:
New
Price: $209.90
Sale: Add to Cart to see Price
Description: Coil-Over-Spring, 200 lbs./in. Rate, 10 in. Length, 2.5 in. Inside Diameter. Black Powdercoat, Each. Made in USA
Item #: ALD/10-200BK
Condition:
New
Price: $74.95
Sale: Add to Cart to see Price
Description: Coil-Over-Spring, 200 lbs./in. Rate, 10 in. Length, 2.5 in. Inside Diameter. Black Powdercoat, Pair. Made in USA
Item #: ALD/10-200BK2
Condition:
New
Price: $149.90
Sale: Add to Cart to see Price
Description: Coil-Over-Spring, 200 lbs./in. Rate, 8 in. Length, 2.5 in. Inside Diameter. Black Powdercoat, Each. Made in USA
Item #: ALD/8-200BK
Condition:
New
Price: $74.95
Sale: Add to Cart to see Price
Description: Coil-Over-Spring, 200 lbs./in. Rate, 8 in. Length, 2.5 in. Inside Diameter. Black Powdercoat, Pair. Made in USA
Item #: ALD/8-200BK2
Condition:
New
Price: $149.90
Sale: Add to Cart to see Price
Description: Coil-Over-Spring, 200 lbs./in. Rate, 8 in. Length, 2.5 in. Inside Diameter. Durable Chrome Plated Finish, Each. Made in USA
Item #: ALD/8-200CH
Condition:
New
Price: $104.95
Sale: Add to Cart to see Price
Description: Coil-Over-Spring, 200 lbs./in. Rate, 8 in. Length, 2.5 in. Inside Diameter. Durable Chrome Plated Finish, Pair. Made in USA
Item #: ALD/8-200CH2
Condition:
New
Price: $209.90
Sale: Add to Cart to see Price
Description: Coil-Over-Spring, 200 lbs./in. Rate, 9 in. Length, 2.5 in. Inside Diameter. Black Powdercoat, Each. Made in USA
Item #: ALD/9-200BK
Condition:
New
Price: $74.95
Sale: Add to Cart to see Price
Description: Coil-Over-Spring, 200 lbs./in. Rate, 9 in. Length, 2.5 in. Inside Diameter. Black Powdercoat, Pair. Made in USA
Item #: ALD/9-200BK2
Condition:
New
Price: $149.90
Sale: Add to Cart to see Price
Description: Coil-Over-Spring, 200 lbs./in. Rate, 9 in. Length, 2.5 in. Inside Diameter. Durable Chrome Plated Finish, Each. Made in USA
Item #: ALD/9-200CH
Condition:
New
Price: $104.95
Sale: Add to Cart to see Price
Description: Coil-Over-Spring, 200 lbs./in. Rate, 9 in. Length, 2.5 in. Inside Diameter. Durable Chrome Plated Finish, Pair. Made in USA
Item #: ALD/9-200CH2
Condition:
New
Price: $209.90
Sale: Add to Cart to see Price