Isky Valve Springs
| Part No. |
Style |
Outer
OD/ID |
Inner
OD/ID |
Seat
Pressure |
Open
Pressure |
Max.
Lift |
Price |
| 9901-A |
Multi-Coil |
.885
1.200
1.660 |
.640
.885
1.200 |
340 Lbs.
@2.100" |
1000 Lbs.
@1.200" |
.850"
.900" |
$420 |
| 9801-A |
Multi-Coil |
.885
1.200
1.660 |
.640
.885
1.200 |
330 Lbs.
@2.025" |
925 Lbs.
@1.225" |
.800"
.850" |
$420 |
| 9701 |
Multi-Coil
(Pacaloy) |
.885
1.200
1.650 |
.640
.885
1.200 |
285 Lbs.
@2.000" |
790 Lbs.
@1.250" |
.750"
.800" |
$403 |
| 4205 |
Dual |
.915
1.240 |
.660
.925 |
130 Lbs.
@1.687" |
290 Lbs.
@1.187" |
.500" |
$98 |
| 4005 |
Dual |
.925
1.240 |
.690
.925 |
115 Lbs.
@1.687" |
240 Lbs.
@1.187" |
.500" |
$98 |
| 9705 |
Dual w/ Damper
(H-11 Tool Steel) |
1.079
1.625 |
.767
1.189 |
250 Lbs.
@1.950" |
675 Lbs.
@1.200" |
.750" |
$339 |
| 9685 |
Dual w/ Damper
(Iskyloy Endurance) |
1.065
1.625 |
.770
1.175 |
240 Lbs.
@2.000" |
685 Lbs.
@1.250" |
.750" |
$253 |
| 9425 |
Dual w/ Damper
(Tool Room Outer/
Silicon Inner) |
1.040
1.560 |
.740
1.145 |
250 Lbs.
@1.950" |
620 Lbs.
@1.200" |
.700" |
$298 |
| 9005 |
Dual w/ Damper |
1.005
1.530 |
.725
1.110 |
185 Lbs.
@1.875" |
465 Lbs.
@1.225" |
.650" |
$132 |
| 9265 |
Dual w/ Damper |
1.005
1.540 |
.725
1.115 |
175 Lbs.
@1.875" |
510 Lbs.
@1.200" |
.675" |
$132 |
| 6205 |
Dual w/ Damper |
1.005
1.430 |
.725
1.070 |
175 Lbs.
@1.812" |
350 Lbs.
@1.260" |
.550" |
$127 |
| 9205 |
Dual w/ Damper |
1.040
1.550 |
.755
1.130 |
170 Lbs.
@1.950" |
475 Lbs.
@1.250" |
.675" |
$160 |
| 8305 |
Dual w/ Damper |
1.005
1.510 |
.730
1.110 |
160 Lbs.
@1.875" |
380 Lbs.
@1.275" |
.600" |
$132 |
| 5105 |
Dual w/ Damper |
1.000
1.430 |
.730
1.075 |
150 Lbs.
@1.531" |
345 Lbs.
@1.000" |
.530" |
$121 |
| 8205 |
Dual w/ Damper |
1.005
1.530 |
.730
1.110 |
140 Lbs.
@1.900" |
430 Lbs.
@1.250" |
.650" |
$135 |
| 8005-A |
Dual w/ Damper |
1.005
1.530 |
.730
1.110 |
135 Lbs.
@1.875" |
395 Lbs.
@1.225" |
.650" |
$109 |
| 6105 |
Dual w/ Damper |
1.000
1.430 |
.730
1.070 |
135 Lbs.
@1.812" |
315 Lbs.
@1.260" |
.550" |
$121 |
| 6005 |
Dual w/ Damper |
1.005
1.430 |
.730
1.070 |
135 Lbs.
@1.750" |
285 Lbs.
@1.200" |
.550" |
$109 |
| 5005 |
Dual w/ Damper |
1.005
1.430 |
.730
1.075 |
125 Lbs.
@1.531" |
285 Lbs.
@1.031" |
.500" |
$109 |
| 935-DR |
Outer w/ Damper |
1.550 |
1.120 |
160 Lbs.
@1.850" |
340 Lbs.
@1.370" |
.550" |
$98 |
| 3105-D |
Outer w/ Damper |
1.490 |
1.076 |
130 Lbs.
@1.700" |
320 Lbs.
@1.200" |
.500" |
$86 |
| 805-DO |
Outer w/ Damper |
1.530 |
1.110 |
120 Lbs.
@1.875" |
290 Lbs.
@1.350" |
.525" |
$79 |
| 235-D |
Outer w/ Damper |
1.260 |
.886 |
130 Lbs.
@1.750" |
320 Lbs.
@1.200" |
.550" |
$89 |
| 205-D |
Outer w/ Damper |
1.260 |
.886 |
115 Lbs.
@1.700" |
268 Lbs.
@1.210" |
.490" |
$66 |
| 3605-D |
Outer w/ Damper |
1.540 |
1.150 |
110 Lbs.
@1.875" |
300 Lbs.
@1.350" |
.525" |
$84 |
| 305-DHS |
Outer w/ Damper |
1.430 |
1.070 |
95 Lbs.
@1.812" |
185 Lbs.
@1.362" |
.450" |
$77 |
| 905-D(8) |
Outer w/ Damper |
1.430 |
1.075 |
85 Lbs.
@1.531" |
200 Lbs.
@1.081" |
.450" |
$46 |
| 905-D(12) |
Outer w/ Damper |
1.430 |
1.075 |
85 Lbs.
@1.531" |
200 Lbs.
@1.081" |
.450" |
$66 |
| 905-D(16) |
Outer w/ Damper |
1.430 |
1.075 |
85 Lbs.
@1.531" |
200 Lbs.
@1.081" |
.450" |
$89 |
| 205-G(8) |
Outer |
1.240 |
.925 |
85 Lbs.
@1.687" |
165 Lbs.
@1.210" |
.475" |
$30 |
| 205-G(16) |
Outer |
1.240 |
.925 |
85 Lbs.
@1.687" |
165 Lbs.
@1.210" |
.475" |
$60 |
| 185-G |
V-8 Flathead Single |
- |
- |
- |
- |
- |
$75 |
| 4005 |
V-8 Flathead Dual |
- |
- |
- |
- |
- |
$119 |
| 87-F |
V-8 Flathead Retainers for 4005 springs |
- |
- |
- |
- |
- |
$70 |
| 