1.437" OD 115 lbs @ 1.700" installed height, 336 lbs @ 1.150 hyd./sld/hyd. roller spring great for OE heads with either cut spring pockets or .100" longer valves. When running a hyd. roller we set the installed height up at 1.65-1.67" max lift is .580"
1.470" OD dual spring 1.875" installed height 120 lbs. seat pressure 340 lbs. @ 0.600" lift a great spring for hyd. or flat tappet cams. We also use this spring for hyd. roller cams installed at 1.800" (coil bind 1.080")
1.550" OD dual spring 1.880" installed height 230 lbs. seat pressure 600 lbs. @ 0.740" max lift race roller cam springs. State of the art Hi-Tensile pro-alloy material. These springs have proven themselves over and over to provide excellent life in harsh aggresive race roller cam applications.
1.625" OD dual spring 2.000" installed height.
240 lbs. seat pressure 700 lbs. @ 0.800" max lift, race roller cam springs. State of the art Hi-Tensile pro-alloy material. These springs have proven themselves over and over to provide excellent life in harsh aggresive race roller cam applications
SD745
$ 295.00
$
306.80
* SD Performance reserves the right to change prices without notification.
* Canadian customers, please add GST. BC customers, please add GST and PST
Accepted. 
$ 99.95
$
103.95 
