PAC 1200 Series Beehive Valve Springs, 1.105" O.D, Set of 16 100-262lbs @ 1.470", .500" Lift, 0.880" Coil Bind (PAC-1223X-16)

BEEHIVE VALVE SPRINGS 1.105 OD

100-262lbs @ 1.470",.500" Lift, 0.880" Coil Bind

Part Number: PAC-1223X-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: 0.943" Top / 1.105" Bottom
Inner Diameter - Inner Valve Spring: 0.580" Top / 0.742" Bottom
Installed Height: 1.470"
Installed Load / Height (Valve Closed): 100 LB @ 1.470"
Open Height: 0.970"
Open Load: 262 PS
Open Load / Height (Valve Open): 262 LB @ 0.970"
Valve Spring Rate: 324 PS
Max Coil Bind: 0.900"
Max Valve Lift: 0.500"
Recommended Valve Spring Retainer - 300 Series: R312, R342
Recommended Valve Spring Retainer - 400 Series: R442, R445
Recommended Valve Spring Retainer - 500 Series: R512
Recommended Valve Spring Seat: N/A
Valve Spring Series: RPM Series
Valve Spring Type: Ovate Wire Beehive
Primary Market: Circle Track, Street Performance