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Coil Spring Set

PART#: 661
Moog
Interchanges
BrandPart #
MevotechSMS661
Monroe Shocks & StrutsU661S
General Motors3827040
DuralastRCS661S
Raybestos Brakes589-1000 / 5891000
General Motors3752910
General Motors3827041
Mcquay-NorrisRCS151S
General Motors3827042
NAPA277-1151 / 2771151
Mcquay-NorrisRCS151
Mcquay-NorrisRCS661S
Perfect Circle277-1151 / 2771151
MevotechSMS6033
Centric Parts630.63038 / 63063038
TRW Steering and Suspension PartsCS661
ACDelco45H2000
General Motors3754513
Fitments
YearMakeModelSubmodelEngineFuel TypePositionNote
1964ChevroletBel AirBase6.7V8GASRearConstant Rate Spring | 2-door; Sedan; | 4-door; Sedan;
1964ChevroletBel AirBase5.3V8GASRearConstant Rate Spring | 2-door; Sedan; | 4-door; Sedan;
1964ChevroletBel AirBase3.8L6GASRearConstant Rate Spring | 2-door; Sedan; | 4-door; Sedan;
1964ChevroletBel AirBase4.6V8GASRearConstant Rate Spring | 2-door; Sedan; | 4-door; Sedan;
1964ChevroletImpalaBase6.7V8GASRear6 Passenger; Constant Rate Spring | 4-door; Wagon;
1964ChevroletImpalaBase3.8L6GASRearConstant Rate Spring | 2-door; Convertible; | 2-door; Hardtop; | 4-door; Hardtop; | 4-door; Sedan;
1964ChevroletImpalaBase5.3V8GASRearConstant Rate Spring | 2-door; Convertible; | 2-door; Hardtop; | 4-door; Hardtop; | 4-door; Sedan;
1964ChevroletImpalaBase4.6V8GASRearConstant Rate Spring | 2-door; Convertible; | 2-door; Hardtop; | 4-door; Hardtop; | 4-door; Sedan;
1963ChevroletBel AirBase6.7V8GASRearConstant Rate Spring | 2-door; Sedan; | 4-door; Sedan;
1963ChevroletBel AirBase4.6V8GASRearConstant Rate Spring | 2-door; Sedan; | 4-door; Sedan;
1963ChevroletBel AirBase5.3V8GASRearConstant Rate Spring | 2-door; Sedan; | 4-door; Sedan;
1963ChevroletImpalaBase4.6V8GASRearConstant Rate Spring | 2-door; Convertible; | 2-door; Hardtop; | 4-door; Hardtop; | 4-door; Sedan;
1963ChevroletImpalaBase3.8L6GASRear6 Passenger; Constant Rate Spring | 2-door; Convertible; | 2-door; Hardtop; | 4-door; Hardtop; | 4-door; Sedan; | 4-door; Wagon;
1963ChevroletImpalaBase5.3V8GASRear6 Passenger; Constant Rate Spring | 2-door; Convertible; | 2-door; Hardtop; | 4-door; Hardtop; | 4-door; Sedan; | 4-door; Wagon;
1963ChevroletImpalaBase6.7V8GASRearConstant Rate Spring | 2-door; Convertible;
1959ChevroletBel AirBase3.8L6GASRearConstant Rate Spring | 2-door; Sedan; | 4-door; Sedan;
1959ChevroletBel AirBase4.6V8GASRearConstant Rate Spring | 2-door; Sedan; | 4-door; Sedan;
1959ChevroletBel AirBase5.7V8GASRearConstant Rate Spring | 2-door; Sedan; | 4-door; Sedan;
1959ChevroletBiscayneBase3.8L6GASRearConstant Rate Spring
1959ChevroletBiscayneBase5.7V8GASRearConstant Rate Spring
1959ChevroletBiscayneBase4.6V8GASRearConstant Rate Spring
1959ChevroletImpalaBase3.8L6GASRearConstant Rate Spring
1959ChevroletImpalaBase5.7V8GASRearConstant Rate Spring | 2-door; Convertible; | 2-door; Hardtop; | 4-door; Hardtop; | 4-door; Sedan;
1959ChevroletImpalaBase4.6V8GASRearConstant Rate Spring | 2-door; Convertible; | 2-door; Hardtop; | 4-door; Hardtop; | 4-door; Sedan;
1958ChevroletBel AirBase3.8L6GASRearConstant Rate Spring | 2-door; Hardtop; | 2-door; Sedan; | 4-door; Sedan;
1958ChevroletBel AirBase5.7V8GASRearConstant Rate Spring | 2-door; Hardtop; | 2-door; Sedan; | 4-door; Sedan;
1958ChevroletBel AirBase4.6V8GASRearConstant Rate Spring | 2-door; Hardtop; | 2-door; Sedan; | 4-door; Sedan;
1958ChevroletBel AirBase4.6V8GASFront | 2-door; Hardtop;
1958ChevroletBiscayneBase3.8L6GASRearConstant Rate Spring
1958ChevroletBiscayneBase4.6V8GASRearConstant Rate Spring
1958ChevroletBiscayneBase5.7V8GASRearConstant Rate Spring
1958ChevroletImpalaBase4.6V8GASRearConstant Rate Spring
Product info

The Moog Coil Spring Set part number 661 is a reliable and high-quality replacement part for Chevrolet vehicles. Built with superior materials and advanced engineering techniques, this coil spring set is designed to provide excellent performance and durability.

One of the most notable benefits of this coil spring set is its ability to improve overall vehicle stability and handling. With precise manufacturing and tight tolerances, these coil springs ensure that your Chevrolet stays firmly planted on the road, even during sharp turns or sudden stops.

The Moog Coil Spring Set part number 661 also features a corrosion-resistant coating that helps extend the lifespan of the springs. This coating protects against rust and other forms of damage that could compromise the performance of your vehicle.

Whether you’re replacing worn-out coil springs or upgrading your Chevrolet’s suspension system, the Moog Coil Spring Set part number 661 is an excellent choice. Its compatibility with various Chevrolet models ensures that you’ll never have to worry about compatibility issues, while its high-quality construction ensures that it will provide reliable performance for years to come.

Overall, the Moog Coil Spring Set part number 661 is an essential component for any Chevrolet driver looking to improve their vehicle’s handling and stability on the road.

About Moog

Moog is a company founded by two brothers in 1919. Today, the company is known for its steering, suspension, and chassis parts.

Notable for its high-quality products and forward-thinking design, Moog has become a trusted brand in the global automotive industry.

During the 1930s, the Moog brothers decided to start manufacturing front-end parts.

In 1937, technicians found out that the replacement parts manufactured by Moog outperformed the original factory components.

The innovation they brought to the design and manufacturing of these components helped them earn the “Problem Solver” status they’re known for to this day.

Moog continued to innovate in the following years, which helped them build a long-standing NASCAR relationship. The company currently holds more than 50 patents.

Moog has long been a leading expert in the automotive industry in the US but launched its operations in Europe in 2001.

The company has earned a phenomenal reputation in Europe, as well as other parts of the world.

Components that Moog is best known for designing and manufacturing include control arms, coil springs, tie rod ends, ball joints, stabilizer bar links, steering parts, and suspension bushings.

Each part developed by Moog is made with long-lasting performance and easy installation in mind.

Fitting Moog parts is quick and simple thanks to a wide range of full component kits and pre-fitted components.

Every product the company makes is designed and tested according to ISO standards. The main goal of the company is to ensure you can drive safely and comfortably.

Specifications
Bar Diameter - Inches0.60
Bar Diameter - MM15.50
End Type 1Tangential
End Type 2Tangential
Feature 1Powder-coated to protect against corrosion
Feature 2Designed to lower stresses for longer service life
Feature 3All coil springs are 100% load tested
Feature 4Worn or sagging coil springs can cause premature tire wear due to vehicle misalignment
Free Height - Inches16.84
Free Height - MM427.70
ID - Inches3.68
ID - MM93.50
Installation Height - Inches11.00
Installation Height - MM279.40
Load - lbs1610.00
Spring Rate - lbs per inch276.00
Spring TypeConstant Rate
Warranty
We offer a 2-year warranty on all parts that we sell. If the part fails within 2 years of purchase, please contact us for instructions to replace it. The warranty does not cover normal wear and tear or improper installation. On many parts, we also offer Extend product protection, which is a way to add up to 3 additional years for 5 total years of worry free coverage. Select your preferred term length and you're covered!
Delivery & Returns

Delivery Info

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Returns Info

Newparts.com offers a thirty (30) day return for refund for all items purchased through Newparts.com. To qualify for return and refund, all items must be new and in their original manufacturers box. To initiate a return, please contact our customer service. This information is only a summary. Complete shipping and return policy information can be found in our web site policies.

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