Collection: QA1

Performance Suspension. Since 1993.
QA1
QA1 started in 1993 building rod ends, spherical bearings and custom linkages for racers, then moved into shock manufacturing with the purchase of Hal Shocks in 1998 and Carrera Shocks in 2004. Today the company designs and builds shocks, struts, suspension components and carbon composite driveshafts in more than 100,000 square feet of its own manufacturing space in Lakeville, Minnesota, under an ISO 9001 certified quality system.
Single & Double Adjustable DampingBuilt in Lakeville, MinnesotaISO 9001 Certified
What We Carry from QA1
Pro Coil, Proma Star & Stocker Star coil-over shocks
Full-vehicle suspension kits for GM A/B/G/F/X-body, Mopar & Mustang
Tubular control arms, K-members, sway bars & crossmembers
Rod ends, spherical bearings, jam nuts & linkages
REV Series carbon fiber driveshafts
Big Wheel suspension kits & C10 conversion systems
QA1 builds for street performance, drag racing, circle track and street rods — most shocks are single or double adjustable, so ride and rebound can be dialed in after the car is on the ground.
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Vendor:QA1
QA1 Mounting Tab - Large - Boxed Tubing - 1/2in Hole
✓ In Stock • Only 1 leftRegular price $ 26.15Regular price$ 28.77Sale price $ 26.15Sale -
Vendor:QA1
QA1 Spring Seat Nut Spanner Wrench - MOD Series
✓ In Stock • Ready to ShipRegular price $ 42.06Regular price$ 46.27Sale price $ 42.06Sale -
Vendor:QA1
QA1 Ratchet Drive Spanner Wrench - Drag/Street (Non MOD Series)
✓ In Stock • Ready to ShipRegular price $ 32.11Regular price$ 35.33Sale price $ 32.11Sale -
Vendor:QA1
QA1 Spring Seat & Lock Nut Spanner Wrench Kit - Drag/Street (Non MOD Series)
✓ In Stock • Ready to ShipRegular price $ 32.11Regular price$ 35.33Sale price $ 32.11Sale -
Vendor:QA1
QA1 Upper Eyelet Conversion Kit - 1in Loop w/.75in Poly & Sleeves
✓ In Stock • Only 1 leftRegular price $ 28.13Regular price$ 30.95Sale price $ 28.13Sale -
Vendor:QA1
QA1 Eyelet Bottom Stud Conversion Kit - 1/2in Eyelet 3/8in Stud
✓ In Stock • Ships from manufacturerRegular price $ 45.78Regular price$ 50.36Sale price $ 45.78Sale -
Vendor:QA1
QA1 Coil-Over Stud Top Conversion Kit (Flanged) w/MK03
✓ In Stock • Only 5 leftRegular price $ 46.04Regular price$ 50.65Sale price $ 46.04Sale -
Vendor:QA1
QA1 78-96 GM B-Body Pro Rear Coil-Over System - Single Adj. - 12in x 300lbs/in - Aluminum
✓ In Stock • Only 1 leftRegular price $ 896.82Regular price$ 986.51Sale price $ 896.82Sale -
Vendor:QA1
QA1 78-96 GM B-Body Pro Rear Coil-Over System - Single Adj. - 12in x 250lbs/in - Aluminum
✓ In Stock • Only 2 leftRegular price $ 896.82Regular price$ 986.51Sale price $ 896.82Sale -
Vendor:QA1
QA1 78-96 GM B-Body Pro Rear Coil-Over System - Double Adj. - 12in x 250lbs/in - Aluminum
✓ In Stock • Only 2 leftRegular price $ 1,118.49Regular price$ 1,230.34Sale price $ 1,118.49Sale -
Vendor:QA1
QA1 64-72 GM A/G-Body Pro Rear Coil-Over System - Single Adj. - 12in x 200lbs/in - Aluminum
✓ In Stock • Only 1 leftRegular price $ 896.82Regular price$ 986.51Sale price $ 896.82Sale -
Vendor:QA1
QA1 64-72 GM A/G-Body Pro Rear Coil-Over System - Double Adj. - 12in x 200lbs/in - Aluminum
✓ In Stock • Only 2 leftRegular price $ 1,118.49Regular price$ 1,230.34Sale price $ 1,118.49Sale -
Vendor:QA1QA1 64-72 GM A/G-Body Pro Rear Coil-Over System - Single Adj. - 12in x 170lbs/in - Aluminum
✕ Out of StockRegular price $ 896.82Regular price$ 986.51Sale price $ 896.82Sold out -
Vendor:QA1
QA1 64-72 GM A/G-Body Pro Rear Coil-Over System - Single Adj. - 12in x 150lbs/in - Aluminum
✓ In Stock • Only 4 leftRegular price $ 896.82Regular price$ 986.51Sale price $ 896.82Sale -
Vendor:QA1
QA1 64-72 GM A/G-Body Pro Rear Coil-Over System - Double Adj. - 12in x 170lbs/in - Aluminum
✓ In Stock • Only 1 leftRegular price $ 1,118.49Regular price$ 1,230.34Sale price $ 1,118.49Sale -
Vendor:QA1
QA1 64-72 GM A/G-Body Pro Rear Coil-Over System - Double Adj. - 12in x 150lbs/in - Aluminum
✓ In Stock • Only 2 leftRegular price $ 1,118.49Regular price$ 1,230.34Sale price $ 1,118.49Sale