Page 422 - 2022-23 Auto Performance Drag Racing
P. 422

                                            Bracket Racing Camshafts for Small Block Chevy
Part No. Application RPM Range Valve Lift
DRAG RACING
Valve Springs
Part No. Type
Color Code O.D.
Valve Lash
I.D.
Adv. Duration Duration @ .050" Lobe Center
Seat Pressure Open Pressure Rate Per In. Coil Bind Max. Lift
ISK201281
  ISK201281
  Hydraulic
  2500-6800
  .485"
  .000"
  280°/280°
  232°/232°
  108°
  ISK201292
Hydraulic
2800-7000
.505"/.505"
.000"/.000"
292°/292°
244°/244°
108°
ISK201506
  Solid
  3000-7000
  .505"/.505"
  .030"/.030"
  290°/290°
  254°/254°
  108°
        ISK205-D
 Single with Damper
 Yellow
 1.260"
.886"
115 @ 1.700"`
 268 @ 1.210"
 310
 1.160"
 .490"
 ISK235-D
  Single with Damper
  Blue
  1.260"
.886"
130 @ 1.750"
  320 @ 1.200"
  350
  1.150"
  .550"
  ISK295-D
Single with Damper
N/A
1.260"
.886"
135 @ 1.775"
350 @ 1.175"
360
1.100"
.600"
ISK6105
  Dual with Damper
  Red/Org/Yl
  1.430"
.730"
135 @ 1.812"
  315 @ 1.260"
  330
  1.120"
  .550"
  ISK8005-A
Dual with Damper
Blue/Org/Yl
1.530"
.730"
135 @ 1.875"
395 @ 1.225"
400
1.160"
.650"
ISK8005-SP
  Dual with Damper
  Blue/Org/Yl
  1.530"
.730"
150 @ 1.875"
  435 @ 1.225"
  415
  1.160"
  .650"
  ISK8205
Dual with Damper
Org/Yl/Brwn
1.530"
.730"
140 @ 1.900"
430 @ 1.250"
440
1.170"
.650"
ISK8205-SP
 Dual with Damper
 N/A
 1.530"
.730"
150 @ 1.900"
 440 @ 1.300"
 480
 1.150"
 .650"
 ISK9205
  Dual with Damper
  Purple
  1.550"
.755"
170 @ 1.950"
  475 @ 1.250"
  435
  1.175"
  .675"
  ISK9945
Dual with Damper
Gold
1.625"
.770"
250 @ 2.020"
675 @ 1.270"
550
1.180"
.750"
ISK9968RAD
 Dual with Damper
 —
 1.570"
.745"
250 @ 1.950"
 665 @ 1.200"
 560
 1.100"
 —
 ISK9985
  Dual with Damper
  Gold
  1.560"
.740"
245 @ 2.000"
  600 @ 1.300"
  500
  1.200"
  .700"
  ISK9989RAD
Dual with Damper
—
1.570"
.745"
270 @ 2.000"
710 @ 1.200"
570
1.130"
.800"
ISK9995
  Dual with Damper
  Gold
  1.570"
.740"
250 @ 2.030"
  625 @ 1.300"
  510
  1.200"
  .730"
      “Max-Life” Roller Valve Springs
Solid Lifters
New alloy steel, “Max-Life” dual valve springs with damper undergo nitride heat treating and multi-stage micro-polishing, improving spring longevity. Sets of 16.
Micro Shim Kit ISK6SHIMKIT NEW!
Hardenable iron and special oiling solid lifters for Chevy. Lifters have a .024" oil hole EDM-machined through the cam face for extended cam life. Sets of 16.
Part No. Description Durathon Roller Lifters
Developed using CNC Machine Cell Technol- ogy, lifters incorporate alloy bodies,
roller bearing assemblies and per- manently attached guide bars.
Engineered to fit standard or
raised lifter bosses. For natural- ly-aspirated applications with up
to 800 lbs. of maximum open spring pressure. Sets of 16.
Adjustable Guide Plates
Adjustable Guide Plates can be used
in many custom applications. Unique,
two-piece plates can be adjusted in or
out. Eight pair per package (enough for one V8).
  ISK202-H
 Chevrolet V8, Hardenable Iron
 ISKSO202-H
  Chevrolet V8, Special Oiling
   Part No.
OD
ID
 Seat Pressure
 Open Pressure
Rate
Coil Bind
Max. Lift
ISK9987-RADML
 1.570"
.748"
275 @ 2.000"
 790 @ 1.200"
 644
1.150"
.800"
ISK9996-RADML
  1.600"
.745"
275 @ 2.050"
  810 @ 1.200"
  625
1.150"
.850"
   Kit includes a selection of (118) 1.250"
O.D. x .625" I.D. valve spring shims. Includes (20) .010", (30) .015", (34) .020", and (34) .030" shims.
Valve Spring Locators ISK940VSL NEW! Steel valve spring locators are 1.540" O.D., .630"
I.D., and are .045" thick. Sold in set of 16.
Anti-Pump-Up Hydraulic Lifters ISK202-HY
Isky Superlifter is sold in sets of 16 for Chevrolet, Pontiac and 1968-up Olds engines, .842" dia.
HPX Gold & Silver Needle and Bushing Hydraulic Roller Lifters
Partnering with Johnson Lifters of
Taylor, MI, Isky is now offering the
highest quality high-performance hydraulic roller lifters available. Sold in sets of 16.
Part No.
Description
  Part No.
 Application
 Body Dia.
Pushrod Seat Location
 ISK362-RHM
 SB Chevy
 .8415"
 Centerline
 ISK366-RHM
  BB Chevy
  .8415"
  Centerline
       ISK200-AGP
 Use with 5/16" Dia. Pushrods
 ISK300-AGP
  Use with 3/8" Dia. Pushrods
    Part No.
  Pushrod
 Max. Seat Pressure
  Max. Open Pressure
  RPM Limit
 Bearing
 SB Chevy
ISK2077HYRT
  203-HG-.460"
  185 lbs.
  535 lbs.
  7500
Needle
  ISK2075HYRT
 203-HG-.460" (7.320")
 185 lbs.
 535 lbs.
 7500
Bushing
 BB Chevy
ISK3977HYRT
 203-96-.500"
 185 lbs.
 535 lbs.
 7500
Needle
 ISK3975HYRT
  203-96-.500"
  185 lbs.
  535 lbs.
  7500
Bushing
  Chevy LS Series
ISK2076HYRT
  203-HG-.180"
  185 lbs.
  535 lbs.
  7500
Needle
  ISK2078HYRT
 203-HG-.180" (.7600")
 185 lbs.
 535 lbs.
 7500
Bushing
 SB Ford
ISK3877HYRT
 203-HG-.100"
 185 lbs.
 535 lbs
 7500
Needle
 ISK3875HYRT
  203-HG-.100" (7.700")
  185 lbs.
  535 lbs.
  7500
Bushing
   420
Scott Hoernlein
2022-23
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