QA1 Suspension

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QA1 offers suspension, steering, driveline, and chassis components for classic cars, trucks, hot rods, muscle cars, and custom builds. Their product line includes coil-over shocks, springs, control arms, sway bars, suspension kits, rod ends, driveshafts, and related handling and chassis upgrade parts. The QA1 parts listed here are items we currently have in stock and available to order online.

Looking for a specific QA1 shock, spring, suspension kit, or chassis part that is not shown? Contact us for a quote and availability. We can help with coil-overs, springs, control arms, sway bars, suspension components, rod ends, driveshafts, and other QA1 products.

You can also browse QA1’s website at https://qa1.net/ to look through their available suspension and chassis parts. Once you find what you are looking for, contact us with the part number, vehicle application, spring rate, shock style, or product information and we would be happy to quote it for you.

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8" Chrome Coil-Over Spring, 450 lb/in

8" Chrome Coil-Over Spring, 450 lb/in

8" Chrome Coil-Over Spring, 450 lb/in

SKU 8CS450

C$114.50

Proma Star Coilover Shock, Single Adjustable, 11-1/8" to 15", Bushing Mount

Proma Star Coilover Shock, Single Adjustable, 11-1/8" to 15", Bushing Mount

Proma Star Coilover Shock, Single Adjustable, 11-1/8" to 15", Bushing Mount

SKU DS404

C$436.20

10" Tapered Pro Coil Spring – 350 lb/in, Silver

10" Tapered Pro Coil Spring – 350 lb/in, Silver

10" Tapered Pro Coil Spring – 350 lb/in, Silver

SKU 10GBF350

C$187.40

Proma Star Coilover Shock, Single Adjustable, 10-1/8" to 14", Bushing Mount

Proma Star Coilover Shock, Single Adjustable, 10-1/8" to 14", Bushing Mount

Proma Star Coilover Shock, Single Adjustable, 10-1/8" to 14", Bushing Mount

SKU DS402

C$436.20

Proma Star Single-Adjustable Coilover Shock – 9.5" to 12.75", Bushing Mount

Proma Star Single-Adjustable Coilover Shock – 9.5" to 12.75", Bushing Mount

Proma Star Single-Adjustable Coilover Shock – 9.5" to 12.75", Bushing Mount

SKU DS304

C$402.85

9" High Travel Coil Spring - 300 lb/in - Silver

9" High Travel Coil Spring - 300 lb/in - Silver

9" High Travel Coil Spring - 300 lb/in - Silver

SKU 9HT300

C$143.53

T-Bar Shock Mount Conversion Kit

T-Bar Shock Mount Conversion Kit

T-Bar Shock Mount Conversion Kit

SKU QA1BAR300K

C$55.64

9" High Travel Coil Spring, 2.5 Inch ID, 250 lb Rate

9" High Travel Coil Spring, 2.5 Inch ID, 250 lb Rate

9" High Travel Coil Spring, 2.5 Inch ID, 250 lb Rate

SKU 9HT250

C$135.64

High Travel Coil Spring, 9", 350 lb/in

High Travel Coil Spring, 9", 350 lb/in

High Travel Coil Spring, 9", 350 lb/in

SKU 9HT350

C$143.91

9" High Travel Coil Spring - 140 lb/in - Silver

9" High Travel Coil Spring - 140 lb/in - Silver

9" High Travel Coil Spring - 140 lb/in - Silver

SKU 9HT140

C$137.81

9" High Travel Coil Spring, 2-1/2" ID, 500 lb/in

9" High Travel Coil Spring, 2-1/2" ID, 500 lb/in

9" High Travel Coil Spring, 2-1/2" ID, 500 lb/in

SKU 9HT500

C$143.91

10" High Travel Coil Spring - 125 lb/in - Silver

10" High Travel Coil Spring - 125 lb/in - Silver

10" High Travel Coil Spring - 125 lb/in - Silver

SKU 10HT125

C$100.00

10" High Travel Coil Spring – 250 lb/in, 2-1/2" Inside Diameter

10" High Travel Coil Spring – 250 lb/in, 2-1/2" Inside Diameter

10" High Travel Coil Spring – 250 lb/in, 2-1/2" Inside Diameter

SKU 10HT250

C$171.77

10" High Travel Coil Spring - 300 lb/in - Black

10" High Travel Coil Spring - 300 lb/in - Black

10" High Travel Coil Spring - 300 lb/in - Black

SKU QA110HT300B

C$140.17

8" Tapered Chrome Coil Spring - 500 lb/in

8" Tapered Chrome Coil Spring - 500 lb/in

8" Tapered Chrome Coil Spring - 500 lb/in

SKU 8MB500

C$183.94

10" High Travel Coil Spring – 450 lb/in, 2-1/2" Inside Diameter

10" High Travel Coil Spring – 450 lb/in, 2-1/2" Inside Diameter

10" High Travel Coil Spring – 450 lb/in, 2-1/2" Inside Diameter

SKU 10HT450

C$135.64

9" High Travel Coil Spring, 2.5 Inch ID, 180 lb Rate

9" High Travel Coil Spring, 2.5 Inch ID, 180 lb Rate

9" High Travel Coil Spring, 2.5 Inch ID, 180 lb Rate

SKU 9HT180

C$125.70

Ultra Ride Coilover Shock – Rebound Adjustable – 11-1/8" to 15"

Ultra Ride Coilover Shock – Rebound Adjustable – 11-1/8" to 15"

Ultra Ride Coilover Shock – Rebound Adjustable – 11-1/8" to 15"

SKU US404

C$427.20

9" High Travel Coil Spring – 450 lb/in, 2-1/2" Inside Diameter

9" High Travel Coil Spring – 450 lb/in, 2-1/2" Inside Diameter

9" High Travel Coil Spring – 450 lb/in, 2-1/2" Inside Diameter

SKU 9HT450

C$143.91

10" High Travel Coil Spring - 550 lb/in - Silver

10" High Travel Coil Spring - 550 lb/in - Silver

10" High Travel Coil Spring - 550 lb/in - Silver

SKU 10HT550

C$143.53

10" High Travel Coil Spring – 700 lb/in, 2-1/2" Inside Diameter, Black

10" High Travel Coil Spring – 700 lb/in, 2-1/2" Inside Diameter, Black

10" High Travel Coil Spring – 700 lb/in, 2-1/2" Inside Diameter, Black

SKU 10HT700B

C$151.57

10" High Travel Coil Spring – 2-1/2" ID – 350 lb/in

10" High Travel Coil Spring – 2-1/2" ID – 350 lb/in

10" High Travel Coil Spring – 2-1/2" ID – 350 lb/in

SKU 10HT350

C$143.53

8" Tapered Pro Coil Spring – 700 lb/in, Chrome

8" Tapered Pro Coil Spring – 700 lb/in, Chrome

8" Tapered Pro Coil Spring – 700 lb/in, Chrome

SKU 8MB700

C$165.80

8" Tapered Chrome Coil Spring - 600 lb/in

8" Tapered Chrome Coil Spring - 600 lb/in

8" Tapered Chrome Coil Spring - 600 lb/in

SKU 8MB600

C$175.29

10" High Travel Coil Spring – 400 lb/in, 2-1/2" Inside Diameter

10" High Travel Coil Spring – 400 lb/in, 2-1/2" Inside Diameter

10" High Travel Coil Spring – 400 lb/in, 2-1/2" Inside Diameter

SKU 10HT400

C$138.76

10" High Travel Coil Spring, 2-1/2" ID, 300 lb/in

10" High Travel Coil Spring, 2-1/2" ID, 300 lb/in

10" High Travel Coil Spring, 2-1/2" ID, 300 lb/in

SKU 10HT300

C$143.53

COM Series Spherical Bearing Kit, 1/2 Inch Bore, PTFE Lined

COM Series Spherical Bearing Kit, 1/2 Inch Bore, PTFE Lined

COM Series Spherical Bearing Kit, 1/2 Inch Bore, PTFE Lined

SKU COM8T-102PK

C$57.46

High Travel Coil Spring, 10", 200 lb/in

High Travel Coil Spring, 10", 200 lb/in

High Travel Coil Spring, 10", 200 lb/in

SKU 10HT200

C$143.90

10" High Travel Coil Spring – 175 lb/in, 2-1/2" Inside Diameter

10" High Travel Coil Spring – 175 lb/in, 2-1/2" Inside Diameter

10" High Travel Coil Spring – 175 lb/in, 2-1/2" Inside Diameter

SKU 10HT175

C$126.40

Front Pro Coil Coilover Shock, 1974–1978 Ford Mustang II, Single Adjustable

Front Pro Coil Coilover Shock, 1974–1978 Ford Mustang II, Single Adjustable

Front Pro Coil Coilover Shock, 1974–1978 Ford Mustang II, Single Adjustable

SKU MS301

C$456.59

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Horton Hot Rod Parts

888-648-2150mail@horton.on.ca

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Every customer is different—and that’s exactly why they’re called customers. There’s no single formula that works for everyone. Some people want detailed descriptions, others prefer videos, and some need parts fabricated or welded to suit their project. Our approach has always been simple: meet people where they are, listen carefully, and treat every customer the same way we would want to be treated ourselves. That philosophy has guided how we do business from the very beginning and continues to shape everything we do today.

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