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PAC Racing RPM Series Ovate Wire Beehive Valve Spring Set
Top 0.731 in. / Bottom 0.990 in. ID – Top 1.186 in. / Bottom 1.445 in. OD – 1.950 in. installed Height – 0.700 in. Max Valve Lift
Your Price: $387.63
SKU: PAC-1255X-16
In Stock
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PAC Racing’s Street Performance RPM Series Beehive Valve Springs are constructed using our signature PACaloy super clean wire and are heat-treated in-house for precision spring rates and improved strength. They also receive a multi-peen process, polishing, and a Nano-Peen™ proprietary surface treatment for service life optimization. Applications include GM Gen III/IV LS, Ford 2V and 4V Mod Motors, Ford Coyote, Big Block Chevy, Ford 5.4L GT500 & Cobra Jet, Chrysler 6.4L Gen III Hemi, GM Gen IV LS7, and Ford Godzilla 7.3L.
- 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
- Polishing to improve operating cycles
- Nano-Peen™ proprietary surface treatment
GTIN: 00193564531902
| Outer Diameter – Outer Valve Spring | Top 1.186 IN / Bottom 1.445 IN |
|---|---|
| Inner Diameter – Outer Valve Spring | Top 0.731 IN / Bottom 0.990 IN |
| Installed Height | 1.950 IN |
| Installed Load | 175 PS |
| Open Height | 1.300 IN |
| Open Load | 440 PS |
| Open Load / Height (Valve Open) | 440 LB @ 1.300 IN |
| Valve Spring Rate | 408 PS |
| Max Coil Bind | 1.220 IN |
| Max Valve Lift | 0.700 IN |
| Recommended Valve Spring Retainer – 300 Series | R313 |
| Recommended Valve Spring Retainer – 500 Series | R513 |
| Recommended Valve Spring Seat | S112, S113 |
| Recommended Valve Spring Cup | C201 |
| Valve Spring Series | RPM Series |
| Valve Spring Type | Ovate Wire Beehive |
| Primary Market | Circle Track|Drag Race|Street Performance |