SBC 16V; 0.500; 1.260 OD; 120 @ 1.700 / 320 @ 1.200 Loads; SWD; 11/32 x 7° Keeper
QualFast Performance Spring Kits include 16 Springs, 16 Retainers, and 32 Keepers designed to function together to give you maximum performance.
Manufactured by the industry-leading high performance valve spring factory, QualFast high performance springs employ the latest materials and manufacturing processes. All QualFast springs are wound using super-clean chrome silicon or new Alpha1 or 3 alloy wires. Our springs are engineered for high performance, giving optimum lift, and preventing valve float.
Precision machined from chrome moly or titanium, our High Performance Retainers are specially designed to work with our High Performance Springs.
QualFast High Performance Keepers are all heat treated and are designed to fit with our High Performance retainers and valves.
| Part No. | 52-10010 |
|---|---|
| Type | Single with Damper |
| Max Lift | 0.500 |
| O.D. | 1.260 |
| I.D. | 0.876 |
| Closed Load | 120 @ 1.700 |
| Open Load | 320 @ 1.200 |
| Coil Bind | 1.150 |
| Part No. | 55-6105 |
|---|---|
| Stem Dia. | 11/32 |
| Degree | 7 |
| O.D. | 1.200 |
| Step 1 Dia. | 0.850 |
| Step 2 Dia. | 0.667 |
| Material | Chrome moly |
| Note | GM 265-350 |
| Part No. | 34-555 |
|---|---|
| Stem Dia. | 0.343 |
| Retainer Deg. | 7 |
| Type | Square |
| Application | Universal 11/32 |
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