Our Office Will Be Closed For Independence Day Break Starting July 4th. We Reopen July 14th, 2025. You may still purchase parts online.

Proud to be The 2024 Manufacturer Of The Year at The National Street Rod Association

EATON Detroit Spring

The leading manufacturer of leaf and coil springs for the street rod and restoration automotive industries

We Help Maintain American Icons by Manufacturing Leaf and Coil Springs Right Here in America

Phone: 1 (313) 963-3839
Fax: 1 (313) 963-7047

Mercury Cougar Leaf & Coil Springs
OEM Replacement and Custom Suspension Upgrades

EATON Detroit Spring stocks leaf and coil springs for different models of the 1967-1973 Mercury Cougar.

We also provide shocks and installation kits chosen specifically for this vehicle. We have accurate OEM replacements, custom lift and lowering springs, and more available to be manufactured for you today.

Ride heights are determined from stock ride height as specified in the original blueprint design. Lifting and lowering springs are available with height adjustment from the original design's ride height.

See Customer Rides for These Applications

John’s 1967 Mercury Cougar XR7
Joseph’s 1969 Cougar Eliminator

All Mercury Cougar Applications

YearMakeModelBody StyleEngine Size
1967MercuryCougar XR-7 GT2 DR Hardtop CoupeV8 6.4L - 390cidView Parts
1967MercuryCougar GT2 DR Hardtop CoupeV8 6.4L - 390cidView Parts
1967MercuryCougar XR-72 DR Hardtop CoupeV8 4.7L - 289cidView Parts
1967MercuryCougar XR-72 DR Hardtop CoupeV8 6.4L - 390cidView Parts
1967MercuryCougar2 DR Hardtop CoupeV8 4.7L - 289cidView Parts
1967MercuryCougar2 DR Hardtop CoupeV8 6.4L - 390cidView Parts
1968MercuryCougar GT2 DR Hardtop CoupeV8 6.4L - 390cidView Parts
1968MercuryCougar GT2 DR Hardtop CoupeV8 7.0L - 427cidView Parts
1968MercuryCougar GT2 DR Hardtop CoupeV8 7.0L - 428 CJ Ram AirView Parts
1968MercuryCougar XR-72 DR Hardtop CoupeV8 4.7L - 289cidView Parts
1968MercuryCougar XR-72 DR Hardtop CoupeV8 5.0L - 302cidView Parts
1968MercuryCougar XR-72 DR Hardtop CoupeV8 6.4L - 390cidView Parts
1968MercuryCougar XR-72 DR Hardtop CoupeV8 7.0L - 427cidView Parts
1968MercuryCougar XR-72 DR Hardtop CoupeV8 7.0L - 428 CJ Ram AirView Parts
1968MercuryCougar2 DR Hardtop CoupeV8 4.7L - 289cidView Parts
1968MercuryCougar2 DR Hardtop CoupeV8 5.0L - 302cidView Parts
1968MercuryCougar2 DR Hardtop CoupeV8 6.4L - 390cidView Parts
1968MercuryCougar2 DR Hardtop CoupeV8 7.0L - 428 CJ Ram AirView Parts
1969MercuryCougar GT2 DR Hardtop CoupeV8 7.0L - 428 CJ Ram AirView Parts
1969MercuryCougar XR-72 DR ConvertibleV8 5.8L - 351cidView Parts
1969MercuryCougar XR-72 DR ConvertibleV8 6.4L - 390cidView Parts
1969MercuryCougar XR-72 DR ConvertibleV8 7.0L - 428 CJ Ram AirView Parts
1969MercuryCougar XR-72 DR ConvertibleV8 7.0L - 428cidView Parts
1969MercuryCougar XR-72 DR Hardtop CoupeV8 5.8L - 351cidView Parts
1969MercuryCougar XR-72 DR Hardtop CoupeV8 6.4L - 390cidView Parts
1969MercuryCougar XR-72 DR Hardtop CoupeV8 7.0L - 428 CJ Ram AirView Parts
1969MercuryCougar XR-72 DR Hardtop CoupeV8 7.0L - 428cidView Parts
1969MercuryCougar Eliminator2 DR Hardtop CoupeV8 5.0L - 302cidView Parts
1969MercuryCougar Eliminator2 DR Hardtop CoupeV8 5.8L - 351cidView Parts
1969MercuryCougar Eliminator2 DR Hardtop CoupeV8 6.4L - 390cidView Parts
1969MercuryCougar Eliminator2 DR Hardtop CoupeV8 7.0L - 428 CJ Ram AirView Parts
1969MercuryCougar Eliminator2 DR Hardtop CoupeV8 7.0L - 428cidView Parts
1969MercuryCougar Eliminator2 DR Hardtop CoupeV8 7.0L - 429 BOSSView Parts
1969MercuryCougar2 DR ConvertibleV8 5.8L - 351cidView Parts
1969MercuryCougar2 DR ConvertibleV8 6.4L - 390cidView Parts
1969MercuryCougar2 DR ConvertibleV8 7.0L - 428 CJ Ram AirView Parts
1969MercuryCougar2 DR ConvertibleV8 7.0L - 428cidView Parts
1969MercuryCougar2 DR Hardtop CoupeV8 5.8L - 351cidView Parts
1969MercuryCougar2 DR Hardtop CoupeV8 6.4L - 390cidView Parts
1969MercuryCougar2 DR Hardtop CoupeV8 7.0L - 428 CJ Ram AirView Parts
1969MercuryCougar2 DR Hardtop CoupeV8 7.0L - 428cidView Parts
1970MercuryCougar XR-72 DR ConvertibleV8 5.8L - 351cidView Parts
1970MercuryCougar XR-72 DR ConvertibleV8 7.0L - 428 CJ Ram AirView Parts
1970MercuryCougar XR-72 DR ConvertibleV8 7.0L - 428cidView Parts
1970MercuryCougar XR-72 DR Hardtop CoupeV8 5.8L - 351cidView Parts
1970MercuryCougar XR-72 DR Hardtop CoupeV8 7.0L - 428 CJ Ram AirView Parts
1970MercuryCougar XR-72 DR Hardtop CoupeV8 7.0L - 428cidView Parts
1970MercuryCougar Eliminator2 DR Hardtop CoupeV8 5.0L - 302cidView Parts
1970MercuryCougar Eliminator2 DR Hardtop CoupeV8 5.8L - 351cidView Parts
1970MercuryCougar Eliminator2 DR Hardtop CoupeV8 7.0L - 428 CJ Ram AirView Parts
1970MercuryCougar Eliminator2 DR Hardtop CoupeV8 7.0L - 428cidView Parts
1970MercuryCougar Eliminator2 DR Hardtop CoupeV8 7.0L - 429 Ram AirView Parts
1970MercuryCougar2 DR ConvertibleV8 5.8L - 351cidView Parts
1970MercuryCougar2 DR ConvertibleV8 7.0L - 428 CJ Ram AirView Parts
1970MercuryCougar2 DR ConvertibleV8 7.0L - 428cidView Parts
1970MercuryCougar2 DR Hardtop CoupeV8 5.8L - 351cidView Parts
1970MercuryCougar2 DR Hardtop CoupeV8 7.0L - 428 CJ Ram AirView Parts
1970MercuryCougar2 DR Hardtop CoupeV8 7.0L - 428cidView Parts
1971MercuryCougar GT2 DR Hardtop CoupeV8 5.8L - 351cidView Parts
1971MercuryCougar GT2 DR Hardtop CoupeV8 7.0L - 429 CJView Parts
1971MercuryCougar GT2 DR Hardtop CoupeV8 7.0L - 429 CJ Ram AirView Parts
1971MercuryCougar XR-72 DR ConvertibleV8 5.8L - 351cidView Parts
1971MercuryCougar XR-72 DR ConvertibleV8 7.0L - 429 CJView Parts
1971MercuryCougar XR-72 DR ConvertibleV8 7.0L - 429 CJ Ram AirView Parts
1971MercuryCougar XR-72 DR Hardtop CoupeV8 5.8L - 351cidView Parts
1971MercuryCougar XR-72 DR Hardtop CoupeV8 7.0L - 429 CJView Parts
1971MercuryCougar XR-72 DR Hardtop CoupeV8 7.0L - 429 CJ Ram AirView Parts
1971MercuryCougar2 DR ConvertibleV8 5.8L - 351cidView Parts
1971MercuryCougar2 DR ConvertibleV8 7.0L - 429 CJView Parts
1971MercuryCougar2 DR ConvertibleV8 7.0L - 429 CJ Ram AirView Parts
1971MercuryCougar2 DR Hardtop CoupeV8 5.8L - 351cidView Parts
1971MercuryCougar2 DR Hardtop CoupeV8 7.0L - 429 CJView Parts
1971MercuryCougar2 DR Hardtop CoupeV8 7.0L - 429 CJ Ram AirView Parts
1972MercuryCougar GT2 DR Hardtop CoupeV8 5.8L - 351cidView Parts
1972MercuryCougar GT2 DR Hardtop CoupeV8 5.8L - 351CJView Parts
1972MercuryCougar XR-72 DR ConvertibleV8 5.8L - 351cidView Parts
1972MercuryCougar XR-72 DR ConvertibleV8 5.8L - 351CJView Parts
1972MercuryCougar XR-72 DR Hardtop CoupeV8 5.8L - 351cidView Parts
1972MercuryCougar XR-72 DR Hardtop CoupeV8 5.8L - 351CJView Parts
1972MercuryCougar2 DR ConvertibleV8 5.8L - 351cidView Parts
1972MercuryCougar2 DR ConvertibleV8 5.8L - 351CJView Parts
1972MercuryCougar2 DR Hardtop CoupeV8 5.8L - 351cidView Parts
1972MercuryCougar2 DR Hardtop CoupeV8 5.8L - 351CJView Parts
1973MercuryCougar XR-72 DR ConvertibleV8 5.8L - 351cidView Parts
1973MercuryCougar XR-72 DR ConvertibleV8 5.8L - 351CJView Parts
1973MercuryCougar XR-72 DR Hardtop CoupeV8 5.8L - 351cidView Parts
1973MercuryCougar XR-72 DR Hardtop CoupeV8 5.8L - 351CJView Parts
1973MercuryCougar2 DR ConvertibleV8 5.8L - 351cidView Parts
1973MercuryCougar2 DR ConvertibleV8 5.8L - 351CJView Parts
1973MercuryCougar2 DR Hardtop CoupeV8 5.8L - 351cidView Parts
1973MercuryCougar2 DR Hardtop CoupeV8 5.8L - 351CJView Parts

Contact EATON Detroit Spring

Locate & Connect To EATON Detroit Spring

EATON Detroit Spring, Inc.
1555 Michigan Avenue
Detroit, MI 48216
Phone: 1 (313) 963-3839
Fax: 1 (313) 963-7047
Email: inquiries@eatonsprings.com

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