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PAC Racing RPM Series Ovate Wire Beehive Valve Spring Set – 604 Crate

Top 0.655 in. / Bottom 0.860 in. ID – Top 1.077 in. / Bottom 1.282 in. OD – 1.800 in. installed Height – 0.500 in. Max Valve Lift


Your Price: $228.14

SKU: PAC-1280X-16

In Stock

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
SKU: PAC-1280X-16 Categories: , ,

GTIN: 00193564531926

Outer Diameter – Outer Valve Spring

Top 1.077 IN / Bottom 1.282 IN

Inner Diameter – Outer Valve Spring

Top 0.655 IN / Bottom 0.860 IN

Installed Height

1.800 IN

Installed Load

92 PS

Open Height

1.300 IN

Open Load

285 PS

Open Load / Height (Valve Open)

285 LB @ 1.300 IN

Valve Spring Rate

386 PS

Max Coil Bind

1.181 IN

Max Valve Lift

0.500 IN

Valve Spring Series

RPM Series

Valve Spring Type

Ovate Wire Beehive

Primary Market

Circle Track|Street Performance