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Endurance Plus Valve Springs
O.D./I.D;1.570/.740; App; R; Max Lift; 730; Spring Type; Dual w/Damper; Seat Pressure; 250/2.030; Open Pressure; 625/1.300; Coil Bind;1.200
ISK9385-PLUS
$282.95

Endurance Plus springs feature a higher alloy outer spring ?plus? special processing for increase durability. Every part test-proven 850 racing miles (every batch). Minimal load loss. Exceptional service life. More durability for higher-revving.

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