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MAN-221461-16 PART NUMBER
Manley 221461-16 NexTek Lightweight Dual Drag Race Valve Springs$999.69
Alcohol & Fuel Classes/Pro Mod, Dual Spring, 1.540" Outer Diameter, .710" Inner Diameter, Seat Pressure 425 @ 2.300, Open Pressure 1389 @ 1.300, Coil Bind 1.215", Set of 16
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HOW-98634 PART NUMBER
Howards Universal 1.150 Max Effort Mechanical Roller Valve Springs 98634$195.95
Dual Spring, w/ Damper, 1.540" OD Outer, 1.143" ID Outer, 1.000" OD Inner, .750" ID Inner, 175@ 1.950 Closed Pressure, 440@ 1.250 Open Pressure, 380 Rate, .740 Max Lift, 1.150 Coil Bind, Set of 16 Learn MoreDROP SHIPThis product is a non-stocking item for CNC-Motorsports and will be shipped directly from the manufacturer / supplier. -
HOW-98637 PART NUMBER
Howards Universal 1.190 Polished Pro Alloy Mechanical Roller Valve Springs 98637$251.95
Dual Spring, w/ Damper, 1.540" OD Outer, 1.115" ID Outer, 1.025" OD Inner, .730" ID Inner, 205@ 1.950 Closed Pressure, 575@ 1.230 Open Pressure, 510 Rate, .700 Max Lift, 1.190 Coil Bind, Set of 16 Learn MoreDROP SHIPThis product is a non-stocking item for CNC-Motorsports and will be shipped directly from the manufacturer / supplier.