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