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home > PAC RPM GM LS Dual Valve Springs, 1.304" O.D, Set of 16 - PAC-1205X-16 > PAC RPM GM LS Dual Valve Springs, 1.304" O.D, Set of 16 - PAC-1205X-16

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PAC RPM GM LS Dual Valve Springs, 1.304" O.D, Set of 16 - PAC-1205X-16DUAL VALVE SPRINGS, 1. 304 OD 155 410lbs @ 1. 800", . 700" Lift, 1. 000" Coil Bind Part Number: PAC 1205X 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

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DUAL VALVE SPRINGS, 1.304 OD

155-410lbs @ 1.800", .700" Lift, 1.000" Coil Bind

Part Number: PAC-1205X-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:

Outer Diameter – Outer Valve Spring: 1.304 IN
Inner Diameter – Outer Valve Spring: 0.950 IN
Inner Diameter – Inner Valve Spring: 0.694 IN
Installed Height: 1.800 IN
Installed Load / Height (Valve Closed): 155 LB @ 1.800 IN
Open Height: 1.150 IN
Open Load: 410 PS
Open Load / Height (Valve Open): 410 LB @ 1.150 IN
Valve Spring Rate: 392 PS
Max Coil Bind: 1.000 IN
Max Valve Lift: 0.700 IN
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: 129, S135, S136
Valve Spring Series: RPM Series
Valve Spring Type: Dual

PAC RPM GM LS Dual Valve Springs, 1.304" O.D, Set of 16 - PAC-1205X-16

Name: PAC RPM GM LS Dual Valve Springs, 1.304" O.D, Set of 16 - PAC-1205X-16
Brand: leseauxdelinval.fr
SKU: 70098887138
Price: 271.50 USD
Availability: InStock
Rating: 4.5652 (797 reviews)