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PAC Racing 1200 Series Dual Valve Spring Set
0.635 in. ID – 1.645 in. OD – 2.070 in. installed Height – 0.800 in. Max Valve Lift
Your Price: $471.07
SKU: PAC-1247-16
In Stock
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PAC Racing’s 1200 Series Dual Springs are perfect for sportsman-level racing and were developed with an emphasis on providing quality while retaining a budget-minded price. The 1200 Series features our signature PACaloy super clean wire for long-term strength and durability. They are heat-treated in-house for precise spring rates and improved strength. Lastly, they are subjected to a multi-peen process to optimize service life.
- Built using our signature PACaloy super clean wire to ensure strength and durability
- In-house heat-treating for precise spring rates and increased strength
- Multi-peen process to optimize service life
GTIN: 00193564531865
| Outer Diameter – Outer Valve Spring | 1.645 IN |
|---|---|
| Inner Diameter – Outer Valve Spring | 1.195 IN |
| Inner Diameter – Middle Valve Spring | 0.871 IN |
| Inner Diameter – Inner Valve Spring | 0.635 IN |
| Installed Load | 290 PS |
| Installed Load / Height (Valve Closed) | 290 LB @ 2.070 IN |
| Open Height | 1.270 IN |
| Open Load | 835 PS |
| Open Load / Height (Valve Open) | 835 LB @ 1.270 IN |
| Valve Spring Rate | 682 PS |
| Max Coil Bind | 1.130 IN |
| Max Valve Lift | 0.800 IN |
| Recommended Valve Spring Retainer – 400 Series | R401, R402 |
| Recommended Valve Spring Retainer – 500 Series | R501, R502 |
| Recommended Valve Spring Retainer – 600 Series | R601, R602 |
| Recommended Valve Spring Seat | S109 |
| Recommended Valve Spring Cup | C206 |
| Valve Spring Series | 1200 Series |
| Valve Spring Type | Triple |