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Spring Rate (lbs./in.)
- 110 lbs./in. (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 130 lbs./in. (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 150 lbs./in. (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Recommended Rear-End Weight
- 1,050-1,300 lbs. (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 1,301-1,500 lbs. (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 1,500-1,700 lbs. (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.

QA1 Rear MOD Series Pro Coilover Conversion Systems

Not Yet Reviewed

QA1 MOD Series conversion systems enable you to fabricate your own custom-mount weld-in rear coilover suspension system in any non-leaf spring vehicle. The kits are available for different rear-end vehicle weight—in adjustable ranges from 1,050 to 1,700 lbs.—as well as for 3 in. or 3.25 in. axle diameters. Order the model designed to fit your application.

Pro coil systems include:

* (2) Coilover shocks
* (2) Linear rate springs
* 1.625 in. O.D. x .095 in. wall x 40 in. long weld-in tube
* All mounting hardware

All the results found for this search are Not In Stock.

Results 1 - 6 of 6

QA1 Rear MOD Series Pro Coilover Conversion Systems DM501-1301

Coilover Kits, Rear Pro Conversion System, MOD Double-Adjustable, Aluminum, Clear Anodized Shocks, Silver Powdercoated Springs, 130 lbs./in. Rate, Kit

Part Number: QA1-DM501-1301

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

QA1 Rear MOD Series Pro Coilover Conversion Systems DM501-12110

Coilover Kits, Rear Pro Conversion System, MOD Double-Adjustable, Aluminum, Clear Anodized Shocks, Silver Powdercoated Springs, 110 lbs./in. Rate, Kit

Part Number: QA1-DM501-12110

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

QA1 Rear MOD Series Pro Coilover Conversion Systems DM501-1501

Coilover Kits, Rear Pro Conversion System, MOD Double-Adjustable, Aluminum, Clear Anodized Shocks, Silver Powdercoated Springs, 150 lbs./in. Rate, Kit

Part Number: QA1-DM501-1501

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

QA1 Rear MOD Series Pro Coilover Conversion Systems DM501-1101

Coilover Kits, Rear Pro Conversion System, MOD Double-Adjustable, Aluminum, Clear Anodized Shocks, Silver Powdercoated Springs, 110 lbs./in. Rate, Kit

Part Number: QA1-DM501-1101

Not Yet Reviewed

Estimated Ship Date: Mar 10, 2026 if ordered today

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Estimated Ship Date: Mar 10, 2026 if ordered today

QA1 Rear MOD Series Pro Coilover Conversion Systems DM501-12130

Coilover Kits, Rear Pro Conversion System, MOD Double-Adjustable, Aluminum, Clear Anodized Shocks, Silver Powdercoated Springs, 130 lbs./in. Rate, Kit

Part Number: QA1-DM501-12130

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

QA1 Rear MOD Series Pro Coilover Conversion Systems DM501-12150

Coilover Kits, Rear Pro Conversion System, MOD Double-Adjustable, Aluminum, Clear Anodized Shocks, Silver Powdercoated Springs, 150 lbs./in. Rate, Kit

Part Number: QA1-DM501-12150

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

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