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Switch Suspension 2150 W. Broadway Rd. #102 Mesa, Az 85202
Phone: 800-928-1984
Hours: 8am-5pm Monday thru Friday
Closed on Saturday/Sunday

GMC C-20 1971-1987 QA1 Front Classic Truck Conversion Kit

SKU:
$2,668.95 - $2,878.95

Product Overview

Features

Fits Chevrolet and GMC C20 Pickup, Suburban 1971,1972,1973,1974,1975,1976,1977,1978,1979,1980,1981,1982,1983,1984,1985,1986,1987 fits Blazer Suburban Square Body 1988,1989,1990,1991

Now you can easily give your C20 or R20 truck adjustable ride height, adjustable shock valving and improved geometry. That translates to a great stance with 1-3” of drop (up to 6” of drop with popular drop spindles), improved ride quality and significant handling gains. Plus, keep your 8-lug wheels.

You can easily install this kit in your driveway or garage with basic hand tools. No welding required. Everything is included, all the way down to the hardware.

Single Adjustable Shocks

This kit features single-adjustable shocks, giving you 18 clicks of valving adjustment. This gives you a very simple way to adjust your shocks without taking them off the truck. You can simply soften or stiffen the ride by turning one knob.

QA1 shocks are 100% dyno tested and serialized. Components included in these systems are proudly made in the USA at QA1’s Lakeville, Minnesota facility.

Fitment Notes

  • Total drop range depends on wheel/tire fitment
  • Requires spindles that use 1971-1986 C20 Ball Joints
Curious as to which spring rate to use?

The general rule that you can abide by is the heavier the coil the heavier the motor. A V6 or Straight 6 motor will generally use the lighter spring rates. The middle of the road weight will be set for your small block or LS applications, and the heaviest coils will be reserved for the big block motors. Now these are not rules set in stone. If you have a small block and are looking for a little better ride quality you can opt for the lighter coils to achieve that. In the same sense if you are working with a straight line or DRAG racing application you may opt for the light coils as well to achieve the weight transfer you need to get that good launch. When you are looking at the spring rate on the rear it's pretty simple. If you are looking for a better ride quality go with the lighter coils and if your application is more performance driven select the stiffer spring rate for handling. Don't get too stressed on ensuring you get it right the first time. The coils are easily interchangeable and are not too expensive so if you decide the spring rate you have chosen isnt quite right give us a call and we can get you a different set. If you are unsure give us a call. We are happy to help. 

Brand (Manufacturer) Info 

QA1 wants to get you behind the wheel and easily drive down the street. So, it builds bolt-on products that give you and your car the confidence needed to tackle even the most challenging curves.

The company has all the driveline and suspension products you need to achieve the experience you want - whether that would be a smooth and leisurely cruise around your neighborhood or a sprint to the finish line.

Warranty Information

QA1 warrants that the products will be free from defects in material and workmanship for one year from date of sale to the original purchaser. A limited lifetime warranty is offered on select shock absorbers. For registration and more information on the limited lifetime warranty, please visit www.QA1.net/Warranty. QA1 makes no other warranty of any kind, express or implied. QA1 shall have no obligation under the foregoing warranty where the defect is the result of improper or abnormal use, your negligence, vehicle accident, improper or incorrect installation or maintenance, nor when the product has been repaired or altered in any way. QA1's liability in the case of defective products subject to the foregoing warranty shall be limited to the repair or replacement, at QA1's option, of the defective products. Consequential or incidental damages are not recoverable under this warranty. Some states do not allow the exclusion or limitation of incidental or consequential damages, so the above limitation or exclusion may not apply to you. This warranty gives you specific legal rights, and you may also have other rights that vary from state to state.

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