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  ISKY Valve Springs

Isky has great valve springs to cover all applications. Whether you're looking for street or all-out competition in single, dual, or multi-coil designs, Isky has a valve spring for you, and we have it at a great price!
Part No. Style Outer
OD/ID		 Inner
OD/ID		 Seat
Pressure		 Open
Pressure		 Max.
Lift		 Price Order
Online
9901-A Multi-Coil .885
1.200
1.660		 .640
.885
1.200		 340 Lbs.
@2.100"		 1000 Lbs.
@1.200"		 .850"
.900"		 $369 order here
9801-A Multi-Coil .885
1.200
1.660		 .640
.885
1.200		 330 Lbs.
@2.025"		 925 Lbs.
@1.225"		 .800"
.850"		 $369 order here
9701 Multi-Coil
(Pacaloy)		 .885
1.200
1.650		 .640
.885
1.200		 285 Lbs.
@2.000"		 790 Lbs.
@1.250"		 .750"
.800"		 $369 order here
4205 Dual .915
1.240		 .660
.925		 130 Lbs.
@1.687"		 290 Lbs.
@1.187"		 .500" $119 order here
4005 Dual .925
1.240		 .690
.925		 115 Lbs.
@1.687"		 240 Lbs.
@1.187"		 .500" $119 order here
9705 Dual w/ Damper
(H-11 Tool Steel)		 1.079
1.625		 .767
1.189		 250 Lbs.
@1.950"		 675 Lbs.
@1.200"		 .750" 429 order here
9685 Dual w/ Damper
(Iskyloy Endurance)		 1.065
1.625		 .770
1.175		 240 Lbs.
@2.000"		 685 Lbs.
@1.250"		 .750" $259 order here
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" $305 order here
9005 Dual w/ Damper 1.005
1.530		 .725
1.110		 185 Lbs.
@1.875"		 465 Lbs.
@1.225"		 .650" $155 order here
9265 Dual w/ Damper 1.005
1.540		 .725
1.115		 175 Lbs.
@1.875"		 510 Lbs.
@1.200"		 .675" $179 order here
6205 Dual w/ Damper 1.005
1.430		 .725
1.070		 175 Lbs.
@1.812"		 350 Lbs.
@1.260"		 .550" $155 order here
9205 Dual w/ Damper 1.040
1.550		 .755
1.130		 170 Lbs.
@1.950"		 475 Lbs.
@1.250"		 .675" $199 order here
8305 Dual w/ Damper 1.005
1.510		 .730
1.110		 160 Lbs.
@1.875"		 380 Lbs.
@1.275"		 .600" $149 order here
5105 Dual w/ Damper 1.000
1.430		 .730
1.075		 150 Lbs.
@1.531"		 345 Lbs.
@1.000"		 .530" $155 order here
8205 Dual w/ Damper 1.005
1.530		 .730
1.110		 140 Lbs.
@1.900"		 430 Lbs.
@1.250"		 .650" $179 order here
8005-A Dual w/ Damper 1.005
1.530		 .730
1.110		 135 Lbs.
@1.875"		 395 Lbs.
@1.225"		 .650" $135 order here
6105 Dual w/ Damper 1.000
1.430		 .730
1.070		 135 Lbs.
@1.812"		 315 Lbs.
@1.260"		 .550" $149 order here
6005 Dual w/ Damper 1.005
1.430		 .730
1.070		 135 Lbs.
@1.750"		 285 Lbs.
@1.200"		 .550" $135 order here
5005 Dual w/ Damper 1.005
1.430		 .730
1.075		 125 Lbs.
@1.531"		 285 Lbs.
@1.031"		 .500" $149 order here
935-DR Outer w/ Damper 1.550 1.120 160 Lbs.
@1.850"		 340 Lbs.
@1.370"		 .550" $105 order here
3105-D Outer w/ Damper 1.490 1.076 130 Lbs.
@1.700"		 320 Lbs.
@1.200"		 .500" $109 order here
805-DO Outer w/ Damper 1.530 1.110 120 Lbs.
@1.875"		 290 Lbs.
@1.350"		 .525" $95 order here
235-D Outer w/ Damper 1.260 .886 130 Lbs.
@1.750"		 320 Lbs.
@1.200"		 .550" $105 order here
205-D Outer w/ Damper 1.260 .886 115 Lbs.
@1.700"		 268 Lbs.
@1.210"		 .490" $85 order here
3605-D Outer w/ Damper 1.540 1.150 110 Lbs.
@1.875"		 300 Lbs.
@1.350"		 .525" $109 order here
305-DHS Outer w/ Damper 1.430 1.070 95 Lbs.
@1.812"		 185 Lbs.
@1.362"		 .450" $99 order here
905-D(8) Outer w/ Damper 1.430 1.075 85 Lbs.
@1.531"		 200 Lbs.
@1.081"		 .450" $52 order here
905-D(12) Outer w/ Damper 1.430 1.075 85 Lbs.
@1.531"		 200 Lbs.
@1.081"		 .450" $79 order here
905-D(16) Outer w/ Damper 1.430 1.075 85 Lbs.
@1.531"		 200 Lbs.
@1.081"		 .450" $105 order here
205-G(8) Outer 1.240 .925 85 Lbs.
@1.687"		 165 Lbs.
@1.210"		 .475" $39 order here
205-G(16) Outer 1.240 .925 85 Lbs.
@1.687"		 165 Lbs.
@1.210"		 .475" $79 order here
185-G V-8 Flathead Single - - - - - $79 order here
4005 V-8 Flathead Dual - - - - - $119 order here
87-F V-8 Flathead Retainers for 4005 springs - - - - - $79 order here
 
 
 
 
 
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