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PAC 1200 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. Circle track valve springs are a for a segment of endurance and horsepower based engines that require the longevity and performance needed to complete the race successfully. 1200 Series springs have excellent load loss while still maintaining a good fatigue life. Sets of 16.
Part Type: PAC Roller Valve Springs
Style: 1200 Drag Race Series
Type: Dual
Damper Included: No
Outer Spring Out Side Diameter (O.D.): 1.550"
Outer Spring In Side Diameter (I.D.): 1.136"
Inner Spring Out Side Diameter (O.D.): NA
Inner Spring In Side Diameter (I.D.): .812"
Seat Pressure: 240 @ 1.900"
Open Pressure: 625 @ 1.200"
Valve Spring Rate: 550
Maximum Suggested Lift: .700"
Coil Bind: 1.150"
Electro Polished: No
Nitrided: No
Suggested Steel Retainers: 3808
Suggested Titanium Retainers: 3450
Suggested Seat Cups: NA
Suggested Locators: NA
Manufacturer: PAC Racing Springs
Manufacturer's Part Number: PAC-1243
Packaged Weight: 3.0 lbs.
Warranty: Race Application, No warranty expressed or implied
Quantity: Sold in Sets of 16
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