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Pac Racing Springs RPM Beehive Valve Springs
The latest technology available. By reducing the top coil of the spring it allows for a reduced mass retainer. Additionally, beehives offer a multi-arc (Ovate) that allows for the stress distribution of the wire to be equally distributed on the opposing sides of the wire. Combine these features and the result is a variable frequency spring that performs at a higher level RPM over traditional springs. Premium RPM processing and higher loads to withstand the vigor’s of street and strip use
Part Type: Valve Springs
Style: Beehive Valve Springs
Type: RPM Beehive
Damper Included: No
Outer Spring Out Side Diameter (O.D.): 1.290"
Outer Spring In Side Diameter (I.D.): .885"
Inner Spring Out Side Diameter (O.D.): NA
Inner Spring In Side Diameter (I.D.): NA
Seat Pressure: 130 @ 1.800"
Open Pressure: 318 @ 1.200"
Valve Spring Rate: 313
Maximum Suggested Lift: .600”
Coil Bind: 1.140"
Electro Polished: No
Nitrided: No
Suggested Steel Retainers: NA
Suggested Titanium Retainers: NA
Suggested Seat Cups: NA
Suggested Locators: NA
Manufacturer: Pac Racing Springs
Manufacturer's Part Number: PAC-1218X
Packaged Weight: 3.0 lbs.
Warranty: Race Application, No warranty expressed or implied
Quantity: Sold in Sets of 16
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