Availability
Coilover, MOD, Double-Adjustable, Left Hand Remote Canister, Twin-Tube, 11.13 in. Extended, 8.63 in. Collapsed, 2.5 in. Travel, Eyelet/Eyelet, Each
Part Number: QA1-M311CL
Not Yet Reviewed
Estimated Ship Date: May 19, 2026 if ordered today
Estimated Ship Date: May 19, 2026 if ordered today
Coilover Shocks and Struts, Ultra Ride Coilover Shocks, Single-adjustable, Twin-tube, Eyelet Mounts, 14.000 in. Extended Length, Street/Strip, Each
Part Number: QA1-US402
Estimated Ship Date: Monday 4/27/2026 if shipped by air
Estimated Ship Date: Monday 4/27/2026 if shipped by air
Coilover Shocks and Struts, Ultra Ride Coilover Shocks, Single-adjustable, Twin-tube, Eyelet Mounts, 17.000 in. Extended Length, Street/Strip, Each
Part Number: QA1-US502
Estimated Ship Date: Monday 4/27/2026 if shipped by air
Estimated Ship Date: Monday 4/27/2026 if shipped by air
Coilover Shock, MOD Series, Double-Adjustable, Aluminum Body, Black Anodized, Twin-Tube, 19.500 in. Extended, 12.875 in. Collapsed, Each
Part Number: QA1-M711PR
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Coilover Shock, MOD Series, Double-Adjustable, Aluminum Body, Black Anodized, Twin-Tube, 23.625 in. Extended, 14.875 in. Collapsed, Each
Part Number: QA1-M911PR
Not Yet Reviewed
Estimated Ship Date: Monday 4/27/2026 if shipped by air
Estimated Ship Date: Monday 4/27/2026 if shipped by air
Coilover Shock, MOD Series, Double-Adjustable, Aluminum Body, Black Anodized, Twin-Tube, 23.625 in. Extended, 14.875 in. Collapsed, Each
Part Number: QA1-M911PL
Not Yet Reviewed
Estimated Ship Date: Monday 4/27/2026 if shipped by air
Estimated Ship Date: Monday 4/27/2026 if shipped by air
Rear Suspension Package, Four Link Conversion and Narrowed Ford 9 in. Axle, Double Adjustable, Black Powdercoated Finish, 5 x 4.75 in., GM X-Body, Kit
Part Number: QA1-R258-170N
Not Yet Reviewed
Estimated Ship Date: May 19, 2026 if ordered today
Estimated Ship Date: May 19, 2026 if ordered today
Coilover Shock, MOD Series, Double-Adjustable, Aluminum Body, Black Anodized, Twin-Tube, 19.500 in. Extended, 12.875 in. Collapsed, Each
Part Number: QA1-M711PL
Not Yet Reviewed
Estimated Ship Date: Monday 4/27/2026 if shipped by air
Estimated Ship Date: Monday 4/27/2026 if shipped by air
Coilover Shocks and Struts, Ultra Ride Coilover Shocks, Single-adjustable, Twin-tube, Eyelet Mounts, 18.750 in. Extended Length, Street/Strip, Each
Part Number: QA1-US602
Estimated Ship Date: Monday 4/27/2026 if shipped by air
Estimated Ship Date: Monday 4/27/2026 if shipped by air
Coilover Shocks and Struts, Ultra Ride Coilover Shocks, Single-adjustable, Twin-tube, Eyelet Mounts, 12.625 in. Extended Length, Street/Strip, Each
Part Number: QA1-US304
Estimated Ship Date: Monday 4/27/2026 if shipped by air
Estimated Ship Date: Monday 4/27/2026 if shipped by air
Coilover Shocks and Struts, Ultra Ride Coilover Shocks, Single-adjustable, Twin-tube, Eyelet Mounts, 15.000 in. Extended Length, Street/Strip, Each
Part Number: QA1-US404
Estimated Ship Date: Monday 4/27/2026 if shipped by air
Estimated Ship Date: Monday 4/27/2026 if shipped by air
Coilover Shocks and Struts, Ultra Ride Coilover Shocks, Single-adjustable, Twin-tube, Eyelet Mounts, 11.125 in. Extended Length, Street/Strip, Each
Part Number: QA1-US302
Estimated Ship Date: Monday 4/27/2026 if shipped by air
Estimated Ship Date: Monday 4/27/2026 if shipped by air
REAR SUSPENSION, 68-72 GM X-BODY, 68-72 GM X-BODY, D-ADJ, 12-170, AXLE-STD
Part Number: QA1-R258-170S
Not Yet Reviewed
Estimated Ship Date: May 19, 2026 if ordered today
Estimated Ship Date: May 19, 2026 if ordered today
Coilover Kits, Rear MOD Coilover Conversion Systems, Rear, Twin-tube Shocks, 550 lbs./in. Spring Rate, Chevrolet, Pair
Part Number: QA1-RCK52474
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Coilover Shock, MOD Series, Double-Adjustable, Aluminum Body, Black Anodized, Twin-Tube, 16.875 in. Extended, 11.500 in. Collapsed, Each
Part Number: QA1-M511PR
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
REAR SUSPENSION, 68-72 GM X-BODY, 68-72 GM X-BODY, MOD, 12-170, AXLE-STD
Part Number: QA1-R358-170S
Not Yet Reviewed
Estimated Ship Date: May 19, 2026 if ordered today
Estimated Ship Date: May 19, 2026 if ordered today
Coilover Shock, MOD Series, Double-Adjustable, Aluminum Body, Black Anodized, Twin-Tube, 23.625 in. Extended, 14.875 in. Collapsed, Each
Part Number: QA1-M911CL
Estimated Ship Date: May 19, 2026 if ordered today
Estimated Ship Date: May 19, 2026 if ordered today
Coilover, MOD, Double-Adjustable, Right Hand Piggyback, Twin-Tube, 11.13 in. Extended, 8.63 in. Collapsed, 2.5 in. Travel, Eyelet/Eyelet, Each
Part Number: QA1-M311PR
Not Yet Reviewed
Estimated Ship Date: Monday 4/27/2026 if shipped by air
Estimated Ship Date: Monday 4/27/2026 if shipped by air
Coilover Shock, MOD Series, Double-Adjustable, Aluminum Body, Black Anodized, Twin-Tube, 14 in. Extended, 10.130 in. Collapsed, Each
Part Number: QA1-M411CL
Not Yet Reviewed
Estimated Ship Date: May 19, 2026 if ordered today
Estimated Ship Date: May 19, 2026 if ordered today
Coilover Kit, MOD Series Pro, Front, Twin-Tube, 0.0-2.0 in. Lowered, Aluminum Body, Black Anodized, 450 lbs./in. Spring Rate, Kit
Part Number: QA1-MG501-10450C
Not Yet Reviewed
Estimated Ship Date: May 19, 2026 if ordered today
Estimated Ship Date: May 19, 2026 if ordered today
Coilover Shock, MOD Series, Double-Adjustable, Aluminum Body, Black Anodized, Twin-Tube, 16.875 in. Extended, 11.500 in. Collapsed, Each
Part Number: QA1-M511CR
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Coilover Shock, MOD Series, Double-Adjustable, Aluminum Body, Black Anodized, Twin-Tube, 14 in. Extended, 10.130 in. Collapsed, Each
Part Number: QA1-M411CR
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Coilover Kits, MOD Series Pro Coilover Systems, Front, Adjustable Valving, Twin-tube Shocks, Black Springs, 550 lbs./in. Rate, Chevrolet, Pair
Part Number: QA1-MG455-08550
Not Yet Reviewed
Estimated Ship Date: May 19, 2026 if ordered today
Estimated Ship Date: May 19, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
QA1 Proma Star Double Adjustable Coilover Systems for 1997-2013 CORVETTE - GD455-08550
Not Yet Reviewed
Estimated Ship Date: Monday 4/27/2026
Coilover Shock, MOD Series, Double-Adjustable, Aluminum Body, Black Anodized, Twin-Tube, 12.880 in. Extended, 8.630 in. Collapsed, Each
Part Number: QA1-M431CL
Not Yet Reviewed
Estimated Ship Date: Monday 4/27/2026 if shipped by air
Estimated Ship Date: Monday 4/27/2026 if shipped by air
Coilover Kit, MOD Coilover System, Rear, Double Adjustable, 220 lbs./in. Spring Rate, Buick, Chevy, GMC, Oldsmobile, Pontiac, Kit
Part Number: QA1-RCK52450
Not Yet Reviewed
Estimated Ship Date: May 19, 2026 if ordered today
Estimated Ship Date: May 19, 2026 if ordered today
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster