QA1 Precision Products Shock Proma C-O S-ADJ 9.50-12.75 Eye-P/Eye-P
Custom Mount Coil-Over Shock Absorbers
With QA1's Proma Star single adjustable coil-over shock, you can easily adjust your compression and rebound valving and get the hard-core performance you need. One knob allows you to choose from 18 valving options that adjust both compression and rebound valving simultaneously, allowing total suspension control in one easy-to-reach location.
- Simultaneous Compression and Rebound Adjustment
- Coil-Over
- Lightweight Aluminum
- Ride Height Adjustable
- Spring Mounting Hardware Included
- 100% Dyno Tested and Serialized
- Revalveable and Rebuildable by the QA1 Factory or QA1 Authorized Service Centers
- American Made
- Precision Machined Aluminum Piston with PTFE Piston Band
- 5/8" Centerless Ground, Hard Chrome Plated, Solid Piston Rod
- Three Step Sealing System
Specifications
Mounting: Poly
Recommended Ride Height: 10 3/4 - 11 1/4
Spring Length: 7/8/9
Compressed Height: 9.5
Extended Height:12.75
Spring Rate Charts
The charts below are a general guideline for selecting spring rates. Spring rates may vary depending on applications, usage and personal preference.
| Axle Weight in Lbs. | |||||||
| Axle Type | Spring Length | 900-1099 | 1100-1249 | 1250-1449 | 1450-1599 | 1600-1899 | 1900+ |
|---|---|---|---|---|---|---|---|
| Solid Rear Axle: |
8" | 200 | 225 | 300 | 350 | 400 | 450 |
| 9" or 10" | 175 | 200 | 225 | 250 | 275 | 350 | |
| 12" | 105 | 130 | 170 | 225 | 250 | 300 | |
| 14" | 95 | 125 | 150 | 175 | 225 | 275 | |
| Independent Suspension: | 7" | 350 | 450 | 550 | 600 | 650 | Call |
| 8" (Chrome) | 300 | 400 | 450 | 500 | 600 | Call | |
| 9" | 220 | 300 | 350 | 450 | 550 | 650 | |
| 10" | 200 | 250 | 300 | 400 | 450 | 550 | |
| 12" | 150 | 200 | 250 | 300 | 400 | 450 | |
| Jaguar (IRS): | 10" | 115 | 140 | 200 | 250 | 250 | 275 |
| Corvette (IRS) Ahead of Axle: |
10" | 200 | 225 | 275 | 350 | 400 | 500 |
|
Corvette (IRS) Behind Axle: |
12" | 95 | 125 | 150 | 225 | 275 | 300 |
QA1 Precision Products Shock Proma C-O S-ADJ 9.50-12.75 Eye-P/Eye-P
Sale price$235.50 USD
Regular price$243.67 USD