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12" Hypercoil Springs Shock Sensor Bolt Adjustable Shock Mount
12" Hypercoil Springs
Our Price: $65.00
Shock Sensor Bolt
Our Price: $125.50
Adjustable Shock Mount
Our Price: $125.99

Hyperco combines the latest technology with old-fashioned craftmanship to produce a coil spring recognized by top competitors worldwide. At first glance all coil springs look alike, but there are major differences in materials, inspection processes and tolerances. All of these things impact performance. All Hypercoils are dark blue powder coated and imprinted with the spring rate. 12" Springs fit 5" single and double adjustable shocks. Sold Each

New from Advanced Chassis, our shock sensor bolts! These are built to go around standard coil over spring dimensions. We use Grade 8 bolts that are machined to accept a 10-32" (3/16") sensor. Bolts are nickel plated for a clean look!
Sold as a set of 4.

Welded shock mount kit fits Advanced Chassis four link and ladder bar brackets. They are laser cut from A36 steel and CNC bent to hold 1" wide shock bearings. The holes are on 5/8" centerlines for maximum adjustablity. Comes as a welded piece ready to bolt on!

Sold as a pair!

Strange Single Adjustable Shock Adjustable Shock Mount Kit - Complete Strange Double Adjustable Shocks
Strange's lightweight aluminum shocks are designed to reduce weight, optimize suspension performance, and allow for easy tunability for changing track conditions. Shipped at their softest setting. Strange single adjustable shocks have 9 rebound adjustments. Shocks sold individually. Springs sold separately. Complete adjustable shock mount kit - comes with upper and lower mounts and all the grade 8 hardware necessary for installation.

The Strange aluminum double adjustable shock is designed to take the “guessing” out of adjustment. Externally adjustable compression and extension. Serial numbered for shock history. Shocks sold in pairs. 12” Springs are included.

Penske Double Adjustable Shock 7500 Series Penske 8300 Series Dbl Adj Piggyback Penske Dbl Adjustable - 8300 Series

Reduce Tire Shake. Better launch control. Improved down track stability. Independent adjusters/40 clicks of compression. 18 sweeps of rebound.

Custom built lengths/tailored to car set-up and driver feel.

Coilover or smooth body/spring and hardware included with coilover. Pneumatic shock end and bleed off kit available for maximum tire control, smooth, stable run.

Springs not included

The 8300 Series double adjustable dampers advance the time proven success of the 8100 with a tunable shim stack in the canister. The light weight and hand built quality of these dampers puts them at the top of their class. The 8300 Series dampers are available in lengths from 10.00" through 24.00" in 1/2" increments making them available for most forms of auto racing.

The category, double adjustable, comes from the fact that the compression and rebound damping is adjusted externally instead of removing the damper from the car. The compression adjuster is located on the remote reservoir. The rebound adjuster is located in the eyelet at the base of the shaft. The main valving, located inside the damper, may also be altered in a matter of minutes, by removing the damper from the car.

The damper is completely owner serviceable and re-valvable, resulting in a savings from returning it to the manufacturer for timely and costly servicing. Each and every part of the damper is available for replacement at a reasonable cost. Owner revalving can be done for less than the average price to ship your shocks back to the manufacturer.

Sold each


The 8300 Series double adjustable shock absorber provides more adjustability options and features to the serious racer. The double adjustable, coilover damper is suitable for a variety of applications. The rebound adjuster features 25 sweeps of bleed adjustment in the shaft. The compression adjuster features 20 clicks of linear-stepped adjustment. This is accomplished by a parabolic needle valve that adjusts a fluid bypass past a standard shim stack. The 8300 Series is available in a piggyback or remote style mount.

  • Coarse ACME thread body for ease of adjustment
  • 2.25" or 2.50" spring hardware
  • Extended lengths range from 10.0" to 24.0"
  • Banjo swivel head hose available with remote version
  • Assembled to customer specifications
  • Owner rebuildable and revalvable
  • Consistent performance
  • Personalized set up