Manley NexTek® Roller Valve Springs Specially processed premium-grade materials. State of the art winding and thermal treatment. Virtually free of impurities or surface irregularities. Better valve train stability and component life. Set of 16.
Part Type: Roller Valve Springs Style: Nextek® Type: Triple Damper Included: No Outer Spring Outside Diameter (O.D.): 1.677" Outer Spring Inside Diameter (I.D.): .635" Middle Spring Outside Diameter (O.D.): NA Middle Spring Inside Diameter (I.D.): NA Inner Spring Outside Diameter (O.D.): NA Inner Spring Inside Diameter (I.D.): NA Seat Pressure: 350 @ 2.100" Open Pressure: 1010 @ 1.200" Valve Spring Rate: 733 Maximum Suggested Lift: .900" Coil Bind: 1.142" Electro Polished: No Nitrided: No Suggested Steel Retainers: NA Suggested Titanium Retainers: 3503 Suggested Seat Cups: NA Suggested Locators: NA Manufacturer: Manley Manufacturer's Part Number: 221448-16 Packaged Weight: 5.9 lbs. Warranty: Race Application, No warranty expressed or implied Quantity: Sold in Sets of 16
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