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ISKY Valve Springs
ISKY Produces 3 New "9000 Series" High Performance level springs- High
Endurance™, Endurance Plus™, and Tool Room™. |
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High Endurance™ Springs are wound
from "Super Clean" Chrome Silicone Wire!
- Every Part No. Test-Proven 700
Racing Miles
- Affordable, Reliable
- Durable Performance
- First-Ever Endurance Tested
Springs
- Recommended Maximum 8,000 RPM
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order here
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| Part No. |
Style |
Outer OD/ID |
Inner OD/ID |
Seat Pressure |
Open Pressure |
Max. Lift |
Price |
| 9315 |
Dual w/ Damper |
1.025
1.550 |
.740
1.135 |
210 Lbs.
@1.900" |
520 Lbs.
@1.240" |
.660" |
$219 |
| 9365 |
Dual w/ Damper |
1.025
1.550 |
.740
1.135 |
215 Lbs.
@1.950" |
550 Lbs.
@1.270" |
.680" |
$219 |
| 9365SP |
Dual w/ Damper |
1.025
1.550 |
.740
1.135 |
225 Lbs.
@1.950" |
550 Lbs.
@1.270" |
.680" |
$259 |
| 9375 |
Dual w/ Damper |
1.040
1.560 |
.740
1.145 |
225 Lbs.
@1.970" |
550 Lbs.
@1.290" |
.680" |
$259 |
| 9375/85 |
Dual w/ Damper
(Tool Room™ Outer/Silicon Inner) |
1.040
1.560 |
.740
1.145 |
250 Lbs.
@1.970" |
580 Lbs.
@1.290" |
.680" |
$259 |
| 9385 |
Dual w/ Damper |
1.040
1.560 |
.740
1.145 |
240 Lbs.
@2.000" |
600 Lbs.
@1.280" |
.720" |
$259 |
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Endurance Plus™ Springs feature the Higher Alloy Outer Spring "Plus"
special processing for increased durability!
- Every Part No. Test-Proven 850
Racing Miles
- Minimal Load Loss
Exceptional Service Life
- More Durability For Higher
Revving
- Recommended Maximum 8,400 RPM
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order here
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| Part No. |
Style |
Outer OD/ID |
Inner OD/ID |
Seat Pressure |
Open Pressure |
Max. Lift |
Price |
9365
Plus |
Dual w/ Damper
(Tool Room™ Outer/Silicon Inner) |
1.040
1.560 |
.740
1.145 |
235 Lbs.
@1.950" |
560 Lbs.
@1.270" |
.680" |
$279 |
9375
Plus |
Dual w/ Damper
(Tool Room™ Outer/Silicon Inner) |
1.040
1.560 |
.740
1.145 |
230 Lbs.
@1.970" |
560 Lbs.
@1.290" |
.680" |
$279 |
9375/85
Plus |
Dual w/ Damper
(Tool Room™ Outer/Silicon Inner) |
1.040
1.560 |
.740
1.145 |
250 Lbs.
@1.970" |
580 Lbs.
@1.290" |
.680" |
$279 |
9385
Plus |
Dual w/ Damper
(Tool Room™ Outer/Silicon Inner) |
1.040
1.560 |
.740
1.145 |
245 Lbs.
@2.000" |
600 Lbs.
@1.280" |
.720" |
$279 |
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Tool Room™ Springs feature the Highest Quality Alloy Wire and trade
secret endurance processing. They're indefatigable!
- Every Part No. Test-Proven 1,000
Racing Miles
- Near-Zero Load Loss
- Absolute Maximum Endurance
- Gold Standard Test Certification
- World's Finest Racing Springs
- Recommended Maximum 8,800 RPM
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order here
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| Part No. |
Style |
Outer OD/ID |
Inner OD/ID |
Seat Pressure |
Open Pressure |
Max. Lift |
Type of Cam |
Price |
| 9915 |
Dual w/ Damper |
1.560"
1.145" |
1.040"
.740" |
195 Lbs @1.975" |
540 Lbs @1.275" |
.700" |
"Winston Cup"
Flat Tappet |
$429 |
| 9935 |
Dual Damperless |
1.560"
1.155" |
1.153"
.820" |
245 Lbs
@1.950" |
590 Lbs. @1.250" |
.700" |
Roller |
$429 |
| 9945 |
Dual w/ Damper |
1.625"
1.175" |
1.065"
.770" |
250 Lbs @2.020" |
675 Lbs. @1.270" |
.750" |
Roller |
$429 |
| 9965 |
Dual w/ Damper |
1.560"
1.145" |
1.040"
.740" |
245 Lbs @1.950" |
585 Lbs @1.270" |
.680" |
Roller |
$429 |
| 9975 |
Dual w/ Damper |
1.560"
1.145" |
1.040"
.740" |
245 Lbs @1.970" |
585 Lbs @1.290" |
.680" |
Roller |
$429 |
| 9985 |
Dual w/ Damper |
1.560"
1.145" |
1.040"
.740" |
245 Lbs
@2.000" |
600 Lbs @1.300" |
.700" |
Roller |
$429 |
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