Mevotech SMS661 Coil Spring Set - Front or Rear

Brand Mevotech SMS661
Position Rear and Front
Fits Chevrolet · 148 vehicles

Coil spring set. Restores suspension support with a direct replacement design.

Cross-references Hastings Piston Rings 661 for the same application. See all 1.

$115.74Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $115.74
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Mevotech SMS661 Coil Spring Set

Mevotech SMS661 is a coil spring set for select Chevrolet full-size applications that need rear or front suspension spring replacement. It covers 1958-1964 Chevrolet Bel Air and Impala fitments with constant rate spring applications, including rear service on multiple models and front service on 1958 Bel Air.

Key Features

  • Coil spring set for suspension repair and ride-height restoration
  • Constant rate spring design for listed Chevrolet applications
  • Fits 1963-1964 Chevrolet Impala, rear
  • Fits 1958-1960 Chevrolet Bel Air, rear
  • Fits 1958 Chevrolet Bel Air, front
  • Fits 1958-1959 Chevrolet Impala, rear
  • Mevotech SMS661 part number for ordering and catalog lookup

Detailed Description

Mevotech SMS661 is a suspension coil spring set built for classic Chevrolet passenger cars that use constant rate coil springs. This part number applies to rear spring service on 1958-1960 Chevrolet Bel Air, 1963-1964 Chevrolet Bel Air, 1958-1959 Chevrolet Impala, and 1963-1964 Chevrolet Impala, plus front spring service on the 1958 Chevrolet Bel Air. If you are searching for a rear coil spring set for a 1964 Chevrolet Impala or a front coil spring set for a 1958 Chevrolet Bel Air, SMS661 matches the listed applications.

This part cross-references Karlyn 661 for the same application. Use Mevotech SMS661 when replacing worn or sagging springs on these Chevrolet Bel Air and Chevrolet Impala models.

What It Helps Address

  • Sagging ride height from fatigued coil springs
  • Uneven stance caused by worn suspension springs
  • Loss of proper spring support in rear suspension service
  • Front suspension spring replacement on 1958 Chevrolet Bel Air
  • Restoration work on classic Chevrolet Bel Air and Impala models

Installation Notes and Tips

Verify year, model, and spring position before ordering. Confirm whether the vehicle needs a rear or front coil spring application, since SMS661 covers both positions across different Chevrolet fitments. Compare the existing spring dimensions and suspension configuration to the listed application before installation.

Quality Assurance

Mevotech is a recognized aftermarket suspension brand, and SMS661 is cataloged for the specific Chevrolet Bel Air and Chevrolet Impala applications listed above.

This part fits 148 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelBody Type# DoorsTransmissionLitersCylindersPositionNotes
1964ChevroletBel AirSedan4 Door6.7LV8RearConstant rate coil spring for various vehicles.
1964ChevroletBel AirSedan2 Door6.7LV8RearConstant rate coil spring for various vehicles.
1964ChevroletBel AirSedan4 Door5.3LV8RearConstant rate coil spring for various vehicles.
1964ChevroletBel AirSedan2 Door5.3LV8RearConstant rate coil spring for various vehicles.
1964ChevroletBel AirSedan4 Door4.6LV8RearConstant rate coil spring for various vehicles.
1964ChevroletBel AirSedan2 Door4.6LV8RearConstant rate coil spring for various vehicles.
1964ChevroletBel AirSedan4 Door3.8LL6RearConstant rate coil spring for various vehicles.
1964ChevroletBel AirSedan2 Door3.8LL6RearConstant rate coil spring for various vehicles.
1964ChevroletBiscayneSedan4 Door6.7LV8RearConstant rate coil spring for various vehicles.
1964ChevroletBiscayneSedan2 Door6.7LV8RearConstant rate coil spring for various vehicles.
1964ChevroletBiscayneSedan4 Door5.3LV8RearConstant rate coil spring for various vehicles.
1964ChevroletBiscayneSedan2 Door5.3LV8RearConstant rate coil spring for various vehicles.
1964ChevroletBiscayneSedan4 Door4.6LV8RearConstant rate coil spring for various vehicles.
1964ChevroletBiscayneSedan2 Door4.6LV8RearConstant rate coil spring for various vehicles.
1964ChevroletBiscayneSedan4 Door3.8LL6RearConstant rate coil spring for various vehicles.
1964ChevroletBiscayneSedan2 Door3.8LL6RearConstant rate coil spring for various vehicles.
1964ChevroletImpalaWagon4 Door6.7LV8RearConstant rate spring; 6 Passenger
1964ChevroletImpalaSedan4 Door5.3LV8RearConstant rate coil spring for various vehicles.
1964ChevroletImpalaHardtop4 Door5.3LV8RearConstant rate coil spring for various vehicles.
1964ChevroletImpalaBaseHardtop2 Door5.3LV8RearConstant rate coil spring for various vehicles.
1964ChevroletImpalaBaseConvertible2 Door5.3LV8RearConstant rate coil spring for various vehicles.
1964ChevroletImpalaSedan4 Door4.6LV8RearConstant rate coil spring for various vehicles.
1964ChevroletImpalaHardtop4 Door4.6LV8RearConstant rate coil spring for various vehicles.
1964ChevroletImpalaBaseHardtop2 Door4.6LV8RearConstant rate coil spring for various vehicles.
1964ChevroletImpalaBaseConvertible2 Door4.6LV8RearConstant rate coil spring for various vehicles.
1964ChevroletImpalaSedan4 Door3.8LL6RearConstant rate coil spring for various vehicles.
1964ChevroletImpalaHardtop4 Door3.8LL6RearConstant rate coil spring for various vehicles.
1964ChevroletImpalaBaseHardtop2 Door3.8LL6RearConstant rate coil spring for various vehicles.
1964ChevroletImpalaBaseConvertible2 Door3.8LL6RearConstant rate coil spring for various vehicles.
1963ChevroletBel AirSedan4 Door6.7LV8RearConstant rate coil spring for various vehicles.
1963ChevroletBel AirSedan2 Door6.7LV8RearConstant rate coil spring for various vehicles.
1963ChevroletBel AirSedan4 Door5.3LV8RearConstant rate coil spring for various vehicles.
1963ChevroletBel AirSedan2 Door5.3LV8RearConstant rate coil spring for various vehicles.
1963ChevroletBel AirSedan4 Door4.6LV8RearConstant rate coil spring for various vehicles.
1963ChevroletBel AirSedan2 Door4.6LV8RearConstant rate coil spring for various vehicles.
1963ChevroletBiscayneSedan4 Door6.7LV8RearConstant rate coil spring for various vehicles.
1963ChevroletBiscayneSedan2 Door6.7LV8RearConstant rate coil spring for various vehicles.
1963ChevroletBiscayneSedan4 Door5.3LV8RearConstant rate coil spring for various vehicles.
1963ChevroletBiscayneSedan2 Door5.3LV8RearConstant rate coil spring for various vehicles.
1963ChevroletBiscayneSedan4 Door4.6LV8RearConstant rate coil spring for various vehicles.
1963ChevroletBiscayneSedan2 Door4.6LV8RearConstant rate coil spring for various vehicles.
1963ChevroletImpalaBaseConvertible2 Door6.7LV8RearConstant rate coil spring for various vehicles.
1963ChevroletImpalaWagon4 Door5.3LV8RearConstant rate spring; 6 Passenger
1963ChevroletImpalaSedan4 Door5.3LV8RearConstant rate coil spring for various vehicles.
1963ChevroletImpalaHardtop4 Door5.3LV8RearConstant rate coil spring for various vehicles.
1963ChevroletImpalaBaseHardtop2 Door5.3LV8RearConstant rate coil spring for various vehicles.
1963ChevroletImpalaBaseConvertible2 Door5.3LV8RearConstant rate coil spring for various vehicles.
1963ChevroletImpalaSedan4 Door4.6LV8RearConstant rate coil spring for various vehicles.
1963ChevroletImpalaHardtop4 Door4.6LV8RearConstant rate coil spring for various vehicles.
1963ChevroletImpalaBaseHardtop2 Door4.6LV8RearConstant rate coil spring for various vehicles.
1963ChevroletImpalaBaseConvertible2 Door4.6LV8RearConstant rate coil spring for various vehicles.
1963ChevroletImpalaWagon4 Door3.8LL6RearConstant rate spring; 6 Passenger
1963ChevroletImpalaSedan4 Door3.8LL6RearConstant rate coil spring for various vehicles.
1963ChevroletImpalaHardtop4 Door3.8LL6RearConstant rate coil spring for various vehicles.
1963ChevroletImpalaBaseHardtop2 Door3.8LL6RearConstant rate coil spring for various vehicles.
1963ChevroletImpalaBaseConvertible2 Door3.8LL6RearConstant rate coil spring for various vehicles.
1960ChevroletBel AirCoupe2 Door3.9LL6RearConstant rate coil spring for various vehicles.
1959ChevroletBel AirSedan4 Door5.7LV8RearConstant rate coil spring for various vehicles.
1959ChevroletBel AirSedan2 Door5.7LV8RearConstant rate coil spring for various vehicles.
1959ChevroletBel AirSedan4 Door4.6LV8RearConstant rate coil spring for various vehicles.
1959ChevroletBel AirSedan2 Door4.6LV8RearConstant rate coil spring for various vehicles.
1959ChevroletBel AirSedan4 Door3.8LL6RearConstant rate coil spring for various vehicles.
1959ChevroletBel AirSedan2 Door3.8LL6RearConstant rate coil spring for various vehicles.
1959ChevroletBel AirHardtop4 Door5.7LV8RearConstant rate coil spring for various vehicles.
1959ChevroletBel AirCoupe2 Door5.7LV8RearConstant rate coil spring for various vehicles.
1959ChevroletBel AirHardtop4 Door4.6LV8RearConstant rate coil spring for various vehicles.
1959ChevroletBel AirCoupe2 Door4.6LV8RearConstant rate coil spring for various vehicles.
1959ChevroletBel AirHardtop4 Door3.8LL6RearConstant rate coil spring for various vehicles.
1959ChevroletBel AirCoupe2 Door3.8LL6RearConstant rate coil spring for various vehicles.
1959ChevroletBiscayne5.7LV8RearConstant rate coil spring for various vehicles.
1959ChevroletBiscayne4.6LV8RearConstant rate coil spring for various vehicles.
1959ChevroletBiscayne3.8LL6RearConstant rate coil spring for various vehicles.
1959ChevroletImpalaSedan4 Door5.7LV8RearConstant rate coil spring for various vehicles.
1959ChevroletImpalaHardtop4 Door5.7LV8RearConstant rate coil spring for various vehicles.
1959ChevroletImpalaHardtop2 Door5.7LV8RearConstant rate coil spring for various vehicles.
1959ChevroletImpalaConvertible2 Door5.7LV8RearConstant rate coil spring for various vehicles.
1959ChevroletImpalaSedan4 Door4.6LV8RearConstant rate coil spring for various vehicles.
1959ChevroletImpalaHardtop4 Door4.6LV8RearConstant rate coil spring for various vehicles.
1959ChevroletImpalaHardtop2 Door4.6LV8RearConstant rate coil spring for various vehicles.
1959ChevroletImpalaConvertible2 Door4.6LV8RearConstant rate coil spring for various vehicles.
1959ChevroletImpala3.8LL6RearConstant rate coil spring for various vehicles.
1958ChevroletBel AirSedan4 Door5.7LV8RearConstant rate coil spring for various vehicles.
1958ChevroletBel AirSedan2 Door5.7LV8RearConstant rate coil spring for various vehicles.
1958ChevroletBel AirHardtop2 Door5.7LV8RearConstant rate coil spring for various vehicles.
1958ChevroletBel AirSedan4 Door4.6LV8RearConstant rate coil spring for various vehicles.
1958ChevroletBel AirSedan2 Door4.6LV8RearConstant rate coil spring for various vehicles.
1958ChevroletBel AirHardtop2 Door4.6LV8RearConstant rate coil spring for various vehicles.
1958ChevroletBel AirHardtop2 Door4.6LV8FrontConstant rate coil spring for various vehicles.
1958ChevroletBel AirSedan4 Door3.8LL6RearConstant rate coil spring for various vehicles.
1958ChevroletBel AirSedan2 Door3.8LL6RearConstant rate coil spring for various vehicles.
1958ChevroletBel AirHardtop2 Door3.8LL6RearConstant rate coil spring for various vehicles.
1958ChevroletBel AirHardtop4 Door5.7LV8RearConstant rate coil spring for various vehicles.
1958ChevroletBel AirCoupe2 Door5.7LV8RearConstant rate coil spring for various vehicles.
1958ChevroletBel AirConvertible2 Door5.7LV8RearConstant rate coil spring for various vehicles.
1958ChevroletBel AirHardtop4 Door4.6LV8RearConstant rate coil spring for various vehicles.
1958ChevroletBel AirCoupe2 Door4.6LV8RearConstant rate coil spring for various vehicles.
1958ChevroletBel AirConvertible2 Door4.6LV8RearConstant rate coil spring for various vehicles.
1958ChevroletBel AirHardtop4 Door3.8LL6RearConstant rate coil spring for various vehicles.
1958ChevroletBel AirCoupe2 Door3.8LL6RearConstant rate coil spring for various vehicles.
1958ChevroletBel AirConvertible2 Door3.8LL6RearConstant rate coil spring for various vehicles.
1958ChevroletBiscayne5.7LV8RearConstant rate coil spring for various vehicles.
1958ChevroletBiscayne4.6LV8RearConstant rate coil spring for various vehicles.
1958ChevroletBiscayne3.8LL6RearConstant rate coil spring for various vehicles.
1958ChevroletBrookwoodAutomatic5.7LV8RearConstant rate coil spring for various vehicles.
1958ChevroletDel RaySedan4 Door5.7LV8RearConstant rate spring; without Turboglide Transmission
1958ChevroletDel RaySedan4 Door5.7LV8RearConstant rate spring; W/O Powerglide
1958ChevroletDel RayHardtop4 Door5.7LV8RearConstant rate spring; W/O Powerglide
1958ChevroletDel RayHardtop4 Door5.7LV8RearConstant rate spring; without Turboglide Transmission
1958ChevroletDel RayHardtop2 Door5.7LV8RearConstant rate spring; W/O Powerglide
1958ChevroletDel RayHardtop2 Door5.7LV8RearConstant rate spring; without Turboglide Transmission
1958ChevroletDel RaySedan4 Door4.6LV8RearConstant rate spring; without Turboglide Transmission
1958ChevroletDel RaySedan4 Door4.6LV8RearConstant rate spring; W/O Powerglide
1958ChevroletDel RayHardtop4 Door4.6LV8RearConstant rate spring; without Turboglide Transmission
1958ChevroletDel RayHardtop4 Door4.6LV8RearConstant rate spring; W/O Powerglide
1958ChevroletDel RayHardtop2 Door4.6LV8RearConstant rate spring; W/O Powerglide
1958ChevroletDel RayHardtop2 Door4.6LV8RearConstant rate spring; without Turboglide Transmission
1958ChevroletDel RayHardtop2 Door4.6LV8FrontConstant rate spring; with Air Conditioning; without Turboglide Transmission
1958ChevroletDel RaySedan4 Door3.8LL6RearConstant rate coil spring for various vehicles.
1958ChevroletDel RayHardtop4 Door3.8LL6RearConstant rate coil spring for various vehicles.
1958ChevroletDel RayHardtop2 Door3.8LL6RearConstant rate coil spring for various vehicles.
1958ChevroletImpala4.6LV8RearConstant rate coil spring for various vehicles.
1958ChevroletNomadWagon4 Door5.7LV8RearConstant rate spring; W/O Powerglide
1958ChevroletNomadWagon2 Door5.7LV8RearConstant rate spring; W/O Powerglide
1958ChevroletNomadWagon4 Door3.8LL6RearConstant rate coil spring for various vehicles.
1958ChevroletNomadWagon2 Door3.8LL6RearConstant rate coil spring for various vehicles.
1958ChevroletSedan DeliverySedan4 Door5.7LV8RearConstant rate coil spring for various vehicles.
1958ChevroletSedan DeliveryHardtop4 Door5.7LV8RearConstant rate coil spring for various vehicles.
1958ChevroletSedan DeliverySedan2 Door5.7LV8RearConstant rate coil spring for various vehicles.
1958ChevroletSedan DeliveryHardtop2 Door5.7LV8RearConstant rate coil spring for various vehicles.
1958ChevroletSedan DeliveryCoupe2 Door5.7LV8RearConstant rate coil spring for various vehicles.
1958ChevroletSedan DeliveryConvertible2 Door5.7LV8RearConstant rate coil spring for various vehicles.
1958ChevroletSedan DeliverySedan4 Door4.6LV8RearConstant rate coil spring for various vehicles.
1958ChevroletSedan DeliveryHardtop4 Door4.6LV8RearConstant rate coil spring for various vehicles.
1958ChevroletSedan DeliverySedan2 Door4.6LV8RearConstant rate coil spring for various vehicles.
1958ChevroletSedan DeliveryHardtop2 Door4.6LV8RearConstant rate coil spring for various vehicles.
1958ChevroletSedan DeliveryHardtop2 Door4.6LV8FrontConstant rate coil spring for various vehicles.
1958ChevroletSedan DeliveryCoupe2 Door4.6LV8RearConstant rate coil spring for various vehicles.
1958ChevroletSedan DeliveryConvertible2 Door4.6LV8RearConstant rate coil spring for various vehicles.
1958ChevroletSedan DeliverySedan4 Door3.8LL6RearConstant rate coil spring for various vehicles.
1958ChevroletSedan DeliveryHardtop4 Door3.8LL6RearConstant rate coil spring for various vehicles.
1958ChevroletSedan DeliverySedan2 Door3.8LL6RearConstant rate coil spring for various vehicles.
1958ChevroletSedan DeliveryHardtop2 Door3.8LL6RearConstant rate coil spring for various vehicles.
1958ChevroletSedan DeliveryCoupe2 Door3.8LL6RearConstant rate coil spring for various vehicles.
1958ChevroletSedan DeliveryConvertible2 Door3.8LL6RearConstant rate coil spring for various vehicles.
1958ChevroletYeomanWagon4 Door5.7LV8RearConstant rate spring; W/O Powerglide
1958ChevroletYeomanWagon2 Door5.7LV8RearConstant rate spring; W/O Powerglide
1958ChevroletYeomanWagon4 Door3.8LL6RearConstant rate coil spring for various vehicles.
1958ChevroletYeomanWagon2 Door3.8LL6RearConstant rate coil spring for various vehicles.
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Hastings Piston Rings — 661