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PAC Racing 1200 Series Dual Valve Spring Set
0.635 in. ID – 1.645 in. OD – 2.150 in. installed Height – 0.950 in. Max Valve Lift
Your Price: $471.07
SKU: PAC-1258-16
In Stock
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PAC Racing’s 1200 Drag Race Dual Springs are perfect for sportsman-level racers looking for a quality product without breaking the bank. They are constructed of our signature PACaloy super clean wire and heat-treated in-house for precise spring rates and enhanced strength. They also go through 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: 00193564531919
| 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 | 350 PS |
| Installed Load / Height (Valve Closed) | 350 LB @ 2.150 IN |
| Open Height | 1.200 IN |
| Open Load | 1004 PS |
| Open Load / Height (Valve Open) | 1004 LB @ 1.200 IN |
| Valve Spring Rate | 688 PS |
| Max Coil Bind | 1.130 IN |
| Max Valve Lift | 0.950 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 |