F-O-A Tech Info
F-O-A Spring Rate Sheets
F-O-A Spring Rate Calculator
F-O-A Spring Rate Calculator How To
Dual Rate Example
Triple Rate Example
F-O-A Valving Sheets
Compression Valving Specs
Rebound Valving Specs
Performance Shock Sheets
Performance Shock Tuning Guide
Performance Shock Valving Guide
F-O-A Re-Valving Instructions
F-O-A Shock Rebuild Instructions
F-O-A Patent PENDING SEAL HEAD
F-O-A Shock Rebuild Video
Spec Sheets
2.5″ Coil Over Shock w/ Reservoir Parts Spec Sheet
Shock Lengths
2.5″ Shocks
Shock Length, Eye to Eye | Collapsed | Extended |
---|---|---|
6″ | 14.5″ | 20.5″ |
8″ | 16.5″ | 24.5″ |
10″ | 18.5″ | 28.5″ |
12″ | 20.5″ | 32.5″ |
14″ | 22.5″ | 36.5″ |
16″ | 24.5″ | 40.5″ |
18″ | 26.5″ | 44.5″ |
2.0″ Shocks
Shock Length, Eye to Eye | Collapsed | Extended |
---|---|---|
6″ | 12.5″ | 18.5″ |
8″ | 14.5″ | 22.5″ |
10″ | 16.5″ | 26.5″ |
12″ | 18.5″ | 30.5″ |
14″ | 20.5″ | 34.5″ |
16″ | 22.5″ | 38.5″ |
18″ | 24.5″ | 42.5″ |

Measuring Your Shock Body
Measure from point to point using the diagram above.