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PAC Racing RPM Series Ovate Wire Beehive Valve Spring Set – Ford GT500 – Intake

Top 0.636 in. / Bottom 0.720 in. ID – Top 0.999 in. / Bottom 1.083 in. OD – 1.715 in. installed Height – 0.550 in. Max Valve Lift


Your Price: $311.58

SKU: PAC-1230X-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-1230X-16 Categories: , , ,

GTIN: 00193564531728

Outer Diameter – Outer Valve Spring

Top 0.999 IN / Bottom 1.083 IN

Inner Diameter – Outer Valve Spring

Top 0.636 IN / Bottom 0.720 IN

Installed Height

1.715 IN

Installed Load

120 PS

Open Height

1.165 IN

Open Load

280 PS

Open Load / Height (Valve Open)

280 LB @ 1.165 IN

Valve Spring Rate

291 PS

Max Coil Bind

1.089 IN

Max Valve Lift

0.550 IN

Valve Spring Series

RPM Series

Valve Spring Type

Ovate Wire Beehive

Primary Market

Street Performance