QA1 Chassis & Suspension

Coilover Shock, MOD Series, Double-Adjustable, Aluminum Body, Black Anodized, Twin-Tube, 15 in. Extended, 10.630 in. Collapsed, Each

Part Number: QA1-M421PL

Not Yet Reviewed

Estimated Ship Date: Dec 8, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Coilover Shock, MOD Series, Double-Adjustable, Aluminum Body, Black Anodized, Twin-Tube, 14.50 in. Extended, 9.630 in. Collapsed, Each

Part Number: QA1-M531CR

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Rod End, MH Series, M14 x 1.5, Female Threads, 3-piece, Alloy Steel, 14.000mm Bore, Each

Part Number: QA1-MHFR14-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Rod End, C Series, 3/8 in.-24, Male Threads, 2-piece, Carbon Steel, 0.313 in. Bore, Each

Part Number: QA1-CMR5-6

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Rod End, MH Series, M16 x 1.5 LH, Male Threads, 3-piece, Alloy Steel, 16.000mm Bore, Each

Part Number: QA1-MHML16T-1

Not Yet Reviewed

Estimated Ship Date: Dec 8, 2025 if ordered today

• Drop Ship
• Special Order

Coilover Shock, MOD Series, Double-Adjustable, Aluminum Body, Black Anodized, Twin-Tube, 15 in. Extended, 10.630 in. Collapsed, Each

Part Number: QA1-M421PR

Not Yet Reviewed

Estimated Ship Date: Dec 8, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Shocks and Struts, 63 Series Large Body Aluminum Shocks, Stock Ride Height, Eyelet Mounts, 4/4 Valving, 24.30 in. Extended Length, Each

Part Number: QA1-6394

Not Yet Reviewed

Estimated Ship Date: Dec 8, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Coilover Kit, Pro Coilover System, Rear, Single Adjustable, 220 lbs./in. Spring Rate, Buick, Chevy, GMC, Oldsmobile, Pontiac, Kit

Part Number: QA1-RCK52377

Not Yet Reviewed

Estimated Ship Date: Dec 8, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Coilover Kits, Proma Star Single Adjustable Coilover Systems, Rear, Twin-tube Shocks, T-bar Upper/Bracket Lower Mounts, Chevrolet, Pair

Part Number: QA1-RCK52386

Not Yet Reviewed

Estimated Ship Date: Dec 5, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Spherical Bearing, COM Series, Steel, Metal to Metal, 1.437 in. Receiver Race Diameter, 0.750 in. Inner Ball Diameter, Each

Part Number: QA1-COM12

Not Yet Reviewed

Estimated Ship Date: Today

Rod End, N Series, 3/8 in.-24, Female Threads, 1-piece, Carbon Steel, 0.375 in. Bore, Each

Part Number: QA1-NFR6

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Coilover Kit, Pro Coilover System, Rear, Single Adjustable, 170 lbs./in. Spring Rate, Buick, Chevy, GMC, Oldsmobile, Pontiac, Kit

Part Number: QA1-RCK52375

Not Yet Reviewed

Estimated Ship Date: Dec 8, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Rod End, C Series, 5/8 in.-18, Male Threads, 2-piece, Carbon Steel, 0.625 in. Bore, Each

Part Number: QA1-CMR10T

Not Yet Reviewed

Estimated Ship Date: Today

Shock Extension, Aluminum, 1/2 in.- 20 Thread, 1.0 in. Length, Each

Part Number: QA1-9029-165

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Rod End, N Series, 3/4 in.-16, Male Threads, 1-piece, Carbon Steel, 0.750 in. Bore, Each

Part Number: QA1-NMR12S

Not Yet Reviewed

Estimated Ship Date: Dec 8, 2025 if ordered today

• Drop Ship
• Special Order

Rod End, N Series, 1/2 in.-20 LH, Male Threads, 1-piece, Carbon Steel, 0.500 in. Bore, Each

Part Number: QA1-NML8

Not Yet Reviewed

Estimated Ship Date: Today

Rod End, X Series, 3/8 in.-24, Male Threads, 2-piece, Chromoly, 0.375 in. Bore, Each

Part Number: QA1-XMR6S

Not Yet Reviewed

Estimated Ship Date: Today

Chassis Tube Adapter, Steel, 1 1/4 in. Diameter, 3/4 in.-16 RH Thread, .095 in. Wall Thickness, Smooth, Each

Part Number: QA1-1844-127

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Rod End, H Series, 3/4 in.-16, Male Threads, 3-piece, Chromoly, 0.750 in. Bore, Each

Part Number: QA1-HMR12T

Not Yet Reviewed

Estimated Ship Date: Today

Rod End, PC Series, 5/8 in.-18 LH, Male Threads, 2-piece, Chromoly, 0.500 in. Bore, Each

Part Number: QA1-PCML8-10

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Coilover Kits, Rear HD Pro Coilover Conversion, Adjustable Valving, Twin-tube Shocks, 200 lbs./in. Rate Springs, Designed for 3.25 in. Axle Tubes, Kit

Part Number: QA1-DS501-2001

Not Yet Reviewed

Estimated Ship Date: Dec 8, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Coilover Kits, Rear HD Pro Coilover Conversion, Adjustable Valving, Twin-tube Shocks, 200 lbs./in. Rate Springs, Designed for 3.00 in. Axle Tubes, Kit

Part Number: QA1-DS501-12200

Not Yet Reviewed

Estimated Ship Date: Dec 5, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Chassis Tube Adapter, Steel, 1 in. Diameter, 1/2 in.-20 LH Thread, .058 in. Wall Thickness, Hex End, Each

Part Number: QA1-1845-103

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Shocks and Struts, 5Q Series Twin-Tube Shocks, Stock Ride Height, Eyelet Mounts, 5/1 Valving, 20.30 in. Extended Length, Each

Part Number: QA1-5Q75-1

Not Yet Reviewed

Estimated Ship Date: Dec 8, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Rod End, N Series, 3/4 in.-16, Male Threads, 1-piece, Carbon Steel, 0.750 in. Bore, Each

Part Number: QA1-NMR12

Not Yet Reviewed

Estimated Ship Date: Today