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home > PAC RPM Beehive Valve Springs, 1.290" O.D, Set of 16 - PAC-1275X-16 > PAC RPM Beehive Valve Springs, 1.290" O.D, Set of 16 - PAC-1275X-16

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PAC RPM Beehive Valve Springs, 1.290" O.D, Set of 16 - PAC-1275X-16BEEHIVE VALVE SPRINGS 1. 290 OD 140 405lbs @ 1. 950", . 660" Lift, 1. 215" Coil Bind Part Number: PAC 1275X 16 PAC Racing's 1200 Series Ovate Wire Beehive Valve Springs are a budget minded spring designed for the rigors of street driving with occasional track days in the mix. This is the perfect spring for your street strip terror. Applications include Ford 2V MO. D Motor, GM Gen III IV LS, Big Block Chevy, Ford 4V MO. D Motor, Ford 3V MO. D Motor,

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BEEHIVE VALVE SPRINGS 1.290 OD

140-405lbs @ 1.950", .660" Lift, 1.215" Coil Bind

Part Number: PAC-1275X-16

PAC Racing's 1200 Series Ovate Wire Beehive Valve Springs are a budget-minded spring designed for the rigors of street driving with occasional track days in the mix. This is the perfect spring for your street/strip terror. Applications include Ford 2V MO.D Motor, GM Gen III/IV LS, Big Block Chevy, Ford 4V MO.D Motor, Ford 3V MO.D Motor, Chrysler Gen III Hemi, Viper SRT-10, and Small Block Chevy.

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: 1.034" Top / 1.290" Bottom
Inner Diameter - Inner Valve Spring: 0.650" Top / 0.906" Bottom
Installed Height: 1.900"
Installed Load / Height (Valve Closed): 140 LB @ 1.900"
Open Height: 1.300"
Open Load: 405 PS
Open Load / Height (Valve Open): 405 LB @ 1.300"
Valve Spring Rate: 408 PS
Max Coil Bind: 1.215"
Max Valve Lift: 0.650"
Recommended Valve Spring Retainer - 300 Series: R310, R311, R363
Recommended Valve Spring Retainer - 400 Series: N/A
Recommended Valve Spring Retainer - 500 Series: R510, R511
Recommended Valve Spring Seat: S111
Recommended Valve Spring Cup: N/A
Valve Spring Series: RPM Series
Valve Spring Type: Round Wire Beehive
Primary Market: Circle Track, Drag Race, Street Performance

PAC RPM Beehive Valve Springs, 1.290" O.D, Set of 16 - PAC-1275X-16

Name: PAC RPM Beehive Valve Springs, 1.290" O.D, Set of 16 - PAC-1275X-16
Brand: jjsf-nantes.fr
SKU: 89651213768
Price: 196.00 USD
Availability: InStock
Rating: 4.5643 (1898 reviews)