PAC RPM Dual Valve Springs, 1.324" O.D, Set of 16 160-482lbs @ 1.800", .750" Lift, 1.000" Coil Bind (PAC-1208X-16)
160-482lbs @ 1.800", .750" Lift, 1.000" Coil Bind
PAC RPM Dual Valve Springs, 1.324" O.D, Set of 16 160-482lbs @ 1.800", .750" Lift, 1.000" Coil Bind (PAC-1208X-16)
is not in stock at Fast Lane Spares and will ship direct from supplier.
Please contact us prior to purchasing if you would like an accurate ETA.
Description
Description
DUAL VALVE SPRINGS, 1.324 OD
160-482lbs @ 1.800", .750" Lift, 1.000" Coil Bind
Part Number: PAC-1208X-16
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 MO.D Motors, Ford Coyote, Big Block Chevy, Ford 5.4L GT500 & Cobra Jet, Chrysler 6.4L Gen III Hemi, GM Gen IV LS7, and Ford GO.Dzilla 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
Specifications:
Inner Diameter - Outer Valve Spring: 0.950"
Inner Diameter - Inner Valve Spring: 0.694"
Installed Height: 1.800"
Installed Load / Height (Valve Closed): 160 LB @ 1.800"
Open Height: 1.100"
Open Load: 482 PS
Open Load / Height (Valve Open): 482 LB @ 1.100"
Valve Spring Rate: 460 PS
Max Coil Bind: 1.000"
Max Valve Lift: 0.750"
Recommended Valve Spring Retainer - 300 Series: R335
Recommended Valve Spring Retainer - 400 Series: R435, R450
Recommended Valve Spring Retainer - 500 Series: R550
Recommended Valve Spring Retainer - 600 Series: R635, R650
Recommended Valve Spring Seat: S129, S135, S136
Valve Spring Series: RPM Series
Valve Spring Type: Dual
Primary Market: Circle Track, Street Performance
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