Beskrivning

Race Sportsman 1.454" OD Beehive Spring 1.800" Installed Height 1 Spring Beehive Shape Reduces Spring and Retainer Weight. Less valve train reciprocating mass in motion. More stability higher RPM longer life and more horsepower. Requires less spring pressure for better valve control. Provides a double weight savings reduces the weight of the spring and allows a smaller lighter retainer. Unique Design Increases Harmonic Resistance Yielding Greater Spring Stability. Handles valve train stress more efficiently. Increases harmonic resistance for greater stability. Eliminates damaging harmonics. Increases high RPM horsepower and durability. Pair with our 785 Titanium or 1756 Tool Steel Retainers, our 4696 Spring Seats, and our 618 Locks for a complete valve spring kit. Also available under 9708-KIT.

• Specifikationer

  • 1 Spring
  • 1.800" Installed Height
  • Coil Bind Height: 1.1"
  • Compatible .570" Guide Diameter Spring Seat: 4696-1
  • Compatible .630" Guide Diameter Spring Seat: 4697-1
  • Compatible Retainer: 785-1
  • Compatible Shims: 4757
  • Compatible Spring Cup (O.D. Locator):4704-1
  • Damper: No
  • Number of Springs: 1
  • Outer Bottom Spring Inside Diameter: 1 Inch
  • Outer Bottom Spring Outside Diameter: 1.454 Inch
  • Outer Top Spring Inside Diameter: 0.731 Inch
  • Outer Top Spring Outside Diameter: 1.185 Inch
  • Seat Height: 1.8 Inch
  • Seat Pressure: 160 PS
  • Spring Rate: 400
  • Valve Spring Series: Race Sportsman