Shocks, Springs & Accessories
Fine-tune your front and rear suspension for maximum traction with drag racing shocks, springs, and accessories from Quarter-Max. We offer high-performance coilover shocks, precision-rated race springs, shock mounting hardware, and adjustment tools engineered to control weight transfer and deliver consistent launches down the track.
-
2,000 LB. Digital Coil Spring Tester
Intercomp
$1,359.75Recommended by the Leading Manufacturers in the World! Features:• Portable, Digital Force with Travel Indication• Large 0.5" (13mm) Display• Knurled Pressure Relief Knob• Peak Hold Feature• Quick,...INC-100054$1,359.75 -
5,000 LB. Digital Coil Spring Tester
Intercomp
$1,359.75Recommended by the Leading Manufacturers in the World! Features:• Portable, Digital Force with Travel Indication• Large 0.5" (13mm) Display• Knurled Pressure Relief Knob• Peak Hold Feature• Quick,...INC-100060$1,359.75 -
5.13 in. Double Adjustable Shock
Koni
$899.99This double adjustable shock has externally adjustable rebound and compression settings, which allows for a wide range of suspension configurations. Specifications:• Application: Drag Race• Stroke:...KON-8212-1121SPA1$899.99 -
6 in. Double Adjustable Shock
Koni
$899.99This double adjustable shock has externally adjustable rebound and compression settings, which allows for a wide range of suspension configurations. Specifications:• Application: Drag Race• Stroke:...KON-8212-1126SPA1$899.99 -
7 in. Double Adjustable Shock
Koni
$899.99This double adjustable shock has externally adjustable rebound and compression settings, which allows for a wide range of suspension configurations. Specifications:• Application: Drag Race• Stroke:...KON-8212-1123SPA1$899.99 -
7500 Double Adjustable Shock with Red Knob Pneumatic Eyelet
Penske
The 7500 series double adjustable, coil over shock provides the versatility of separate compression and rebound adjustments without the use of an external reservoir. Like all Penske Racing Shocks, it...PEN-PS75DA7-2 -
7500 Double Adjustable Shock with Sweep Eyelet
Penske
The 7500 series double adjustable, coil over shock provides the versatility of separate compression and rebound adjustments without the use of an external reservoir. Like all Penske Racing Shocks, it...PEN-PS75DA7 -
8 Channel Timer Module
Electrimotion
$498.75This timer has 8 channels (1-8) that can be individually programmed to turn ON and OFF at specific times. Timer works extremely well as a controller for pneumatic shocks and struts, or any timer...ELECT-519$498.75 -
8300 Drag Double Adjustable Coil Over Shock
Penske
The 8300 series double adjustable, coil over shock provides the versatility of separate compression and rebound adjustments with the use of a remote or piggyback external reservoir. The wide...PEN-PS8300 -
8760 Triple Adjustable Shocks - Pictured with Air Dump & Spring (Sold Separately)
Penske
The 8760PB-Drag is our best shock option for drag racing. The 8760 is a high quality piggy back triple adjustable shock that uses standard Penske parts. With separate high and low speed compression...PEN-PS8760DRAG -
$18.89 -
Adjustable Lower Shock Mount Ladder Bars
Quarter-Max
$94.49This kit provides a solid, adjustable mounting point for racing coil-over shocks. Front side of bracket has mounting holes for Quarter-Max Ladder Bars. Fits housings with 3" O.D. axle tubes and...QM-301210$94.49 -
Analog Shock Pressure Gauge
Intercomp
$156.45Features:• Measures Pressure in PSI & BAR• Pressure range of 0 to 300 psi & 0 to 20 BAR• Liquid-Filled• Measured in 10lb PSI Increments & 1lb BARINC-100675-A$156.45 -
Billet Penske Shock Strut Canister Mount, Clamp-on, Black
Quarter-Max
$133.34Our Clamp-On Shock Canister Mount is the definitive solution for racers and enthusiasts looking to streamline their suspension geometry and clean up their chassis.Specifically engineered to convert...QM-219561$133.34 -
Coil-Over Spring Rater
Intercomp
$2,094.75Features:• Rates Standard Coil Springs 2.5" (64mm) to 6" (152mm) Diameter• Rates Coil-Over Setups• Compress Coil Over Assemblies for Easy Adjustments• Adjust Coil-Overs without Disassembling Shock &...INC-110057$2,094.75 -
Digital Shock Inflation & Pressure Gauge
Intercomp
$628.95Great for Race Cars, Motorcycles, Snowmobiles & ATVs! Features:• Allows Quick & Easy Pressure Settings to 300 PSI (20 BAR)• 0.5 Increments• Displays in PSI, BAR, kg/cm²• Compatible with Most Shocks•...INC-100675$628.95 -
Flow Control Valve
$38.84Compact flow control regulators ensure excellent performance of flow and are perfectly suited for reduced spaces due to their small size. The sensitivity of the adjustment screw provides very precise...QM-630019$38.84 -
Fork Spring Tester Retrofit Kit
Intercomp
$471.45Features:• Quick & Easy Retrofit from Coil Spring to Fork Tester Handles• Handles Up to 2" (48mm) Diameter & 36" (914mm) Long Fork Springs• Readout in 0.1lb (0.05kg) Increments• Standard 9-Volt...INC-100064$471.45 -
Hyperco Spring, 10 in. x 2.5 in. ID x 125 lb., Blue
Hyperco
$86.00Hyperco springs are cold wound from preheat treated SAE 9254 chrome silicon wire. Optimum wire diameter is selected for the individual design without compromise. After coiling, the closed ends are...STR-SP10125A$86.00 -
Hyperco Spring, 10 in. x 2.5 in. ID x 150 lb., Blue
Hyperco
$86.00Hyperco springs are cold wound from preheat treated SAE 9254 chrome silicon wire. Optimum wire diameter is selected for the individual design without compromise. After coiling, the closed ends are...STR-SP10150A$86.00 -
Hyperco Spring, 10 in. x 2.5 in. ID x 175 lb., Blue
Hyperco
$86.00Hyperco springs are cold wound from preheat treated SAE 9254 chrome silicon wire. Optimum wire diameter is selected for the individual design without compromise. After coiling, the closed ends are...STR-SP10175A$86.00 -
Hyperco Spring, 10 in. x 2.5 in. ID x 200 lb., Blue
Hyperco
$86.00Hyperco springs are cold wound from preheat treated SAE 9254 chrome silicon wire. Optimum wire diameter is selected for the individual design without compromise. After coiling, the closed ends are...STR-SP10200A$86.00 -
Hyperco Spring, 10 in. x 2.5 in. ID x 225 lb., Blue
Hyperco
$86.00Hyperco springs are cold wound from preheat treated SAE 9254 chrome silicon wire. Optimum wire diameter is selected for the individual design without compromise. After coiling, the closed ends are...STR-SP10225A$86.00 -
Hyperco Spring, 10 in. x 2.5 in. ID x 250 lb., Blue
Hyperco
$86.00Hyperco springs are cold wound from preheat treated SAE 9254 chrome silicon wire. Optimum wire diameter is selected for the individual design without compromise. After coiling, the closed ends are...STR-SP10250A$86.00 -
Hyperco Spring, 10 in. x 2.5 in. ID x 275 lb., Blue
Hyperco
$86.00Hyperco springs are cold wound from preheat treated SAE 9254 chrome silicon wire. Optimum wire diameter is selected for the individual design without compromise. After coiling, the closed ends are...STR-SP10275A$86.00 -
Hyperco Spring, 10 in. x 2.5 in. ID x 300 lb., Blue
Hyperco
$86.00Hyperco springs are cold wound from preheat treated SAE 9254 chrome silicon wire. Optimum wire diameter is selected for the individual design without compromise. After coiling, the closed ends are...STR-SP10300A$86.00 -
Hyperco Spring, 10 in. x 2.5 in. ID x 325 lb., Blue
Hyperco
$86.00Hyperco springs are cold wound from preheat treated SAE 9254 chrome silicon wire. Optimum wire diameter is selected for the individual design without compromise. After coiling, the closed ends are...STR-SP10325A$86.00 -
Hyperco Spring, 10 in. x 2.5 in. ID x 350 lb., Blue
Hyperco
$86.00Hyperco springs are cold wound from preheat treated SAE 9254 chrome silicon wire. Optimum wire diameter is selected for the individual design without compromise. After coiling, the closed ends are...STR-SP10350A$86.00 -
Hyperco Spring, 10 in. x 2.5 in. ID x 375 lb., Blue
Hyperco
$86.00Hyperco springs are cold wound from preheat treated SAE 9254 chrome silicon wire. Optimum wire diameter is selected for the individual design without compromise. After coiling, the closed ends are...STR-SP10375A$86.00 -
Hyperco Spring, 10 in. x 2.5 in. ID x 400 lb., Blue
Hyperco
$86.00Hyperco springs are cold wound from preheat treated SAE 9254 chrome silicon wire. Optimum wire diameter is selected for the individual design without compromise. After coiling, the closed ends are...STR-SP10400A$86.00 -
Hyperco Spring, 10 in. x 2.5 in. ID x 425 lb., Blue
Hyperco
$86.00Hyperco springs are cold wound from preheat treated SAE 9254 chrome silicon wire. Optimum wire diameter is selected for the individual design without compromise. After coiling, the closed ends are...STR-SP10425A$86.00 -
Hyperco Spring, 10 in. x 2.5 in. ID x 450 lb., Blue
Hyperco
$86.00Hyperco springs are cold wound from preheat treated SAE 9254 chrome silicon wire. Optimum wire diameter is selected for the individual design without compromise. After coiling, the closed ends are...STR-SP10450A$86.00 -
Hyperco Spring, 10 in. x 2.5 in. ID x 500 lb., Blue
Hyperco
$86.00Hyperco springs are cold wound from preheat treated SAE 9254 chrome silicon wire. Optimum wire diameter is selected for the individual design without compromise. After coiling, the closed ends are...STR-SP10500A$86.00 -
Hyperco Spring, 10 in. x 2.5 in. ID x 550 lb., Blue
Hyperco
$86.00Hyperco springs are cold wound from preheat treated SAE 9254 chrome silicon wire. Optimum wire diameter is selected for the individual design without compromise. After coiling, the closed ends are...STR-SP10550A$86.00 -
Hyperco Spring, 10 in. x 2.5 in. ID x 600 lb., Blue
Hyperco
$86.00Hyperco springs are cold wound from preheat treated SAE 9254 chrome silicon wire. Optimum wire diameter is selected for the individual design without compromise. After coiling, the closed ends are...STR-SP10600A$86.00 -
Hyperco Spring, 10 in. x 2.5 in. ID x 700 lb., Blue
Hyperco
$86.00Hyperco springs are cold wound from preheat treated SAE 9254 chrome silicon wire. Optimum wire diameter is selected for the individual design without compromise. After coiling, the closed ends are...STR-SP10700A$86.00 -
Hyperco Spring, 10 in. x 2.5 in. ID x 800 lb., Blue
Hyperco
$86.00Hyperco springs are cold wound from preheat treated SAE 9254 chrome silicon wire. Optimum wire diameter is selected for the individual design without compromise. After coiling, the closed ends are...STR-SP10800A$86.00 -
Hyperco Spring, 10 in. x 2.5 in. ID x 85 lb., Blue
Hyperco
$86.00Hyperco springs are cold wound from preheat treated SAE 9254 chrome silicon wire. Optimum wire diameter is selected for the individual design without compromise. After coiling, the closed ends are...STR-SP10085A$86.00 -
Hyperco Spring, 10 in. x 2.5 in. ID x 850 lb., Blue
Hyperco
$86.00Hyperco springs are cold wound from preheat treated SAE 9254 chrome silicon wire. Optimum wire diameter is selected for the individual design without compromise. After coiling, the closed ends are...STR-SP10850A$86.00 -
Hyperco Spring, 10 in. x 2.5 in. ID x 900 lb., Blue
Hyperco
$86.00Hyperco springs are cold wound from preheat treated SAE 9254 chrome silicon wire. Optimum wire diameter is selected for the individual design without compromise. After coiling, the closed ends are...STR-SP10900A$86.00