PAC 1300 Series Drag Racing Valve Springs
The world's premier valve spring manufacturer. NASCAR, Drag Racing, F1, Rally, and Sprint Cars to everyday street performance engines use PAC Racing Products to provide unsurpassed performance in all forms of Motor sports. Innovative designs produced by skilled spring makers from the highest quality materials ensure the highest performing valve springs available. PAC 1300 series springs offer the latest advancements developed from our involvement in drag racing. These springs offer a complete package to combat load loss issues. This series incorporates the latest in heat treating technology and innovative dynamic surface enhancement processing.
Part Type: PAC Roller Valve Springs
Style: 1300 Drag Race Series
Damper Included: No
Outer Spring Out Side Diameter (O.D.): 1.500"
Outer Spring In Side Diameter (I.D.): 1.085"
Inner Spring Out Side Diameter (O.D.): NA
Inner Spring In Side Diameter (I.D.): .790"
Seat Pressure: 250 @ 2.030"
Open Pressure: 614 @ 1.250"
Valve Spring Rate: 467
Maximum Suggested Lift: .780"
Coil Bind: 1.180"
Electro Polished: No
Suggested Steel Retainers: 3800
Suggested Titanium Retainers: 3400
Suggested Seat Cups: NA
Suggested Locators: NA
Manufacturer: PAC Racing Springs
Manufacturer's Part Number: PAC-1340
Packaged Weight: 3.0 lbs.
Warranty: Race Application, No warranty expressed or implied
Quantity: Sold in Sets of 16