Page 266 - 2018 Master Catalog
P. 266
VALVE SPRINGS
COLOR SEAT OPEN RATE COIL MAX
PART NO. TYPE/MATERIAL O.D. I.D.
CODE PRESSURE PRESSURE PER INCH BIND NET LIFT
Outer w/Damper 130 lbs 320 lbs
235-D Blue 1.260” .886” 350 1.150” .550”
(Chrome Silicon) @1.750” @ 1.200”
Dual w/Damper Blue 1.005” .730” 135 lbs 395 lbs
8005-A 400 1.160” .650”
(Chrome Silicon) Orange 1.530” 1.110” @1.875” @1.225”
SP Series, Dual w/Damper 1.530” 1.005” 150 lbs 435 lbs
8005-SP --- 415 1.160” .650”
(“Hi-Tensile” Chrome Silicon) 1.110” .730” @1.875” @1.225”
Dual w/Damper Orange/Yellow 1.005” .730” 140 lbs 430 lbs
8205 440 1.170” .650”
(Chrome Silicon) Brown 1.530” 1.110” @1.900” @1.250”
Dual w/Damper Purple 1.040” .755” 170 lbs 475 lbs
9205 435 1.175” .675”
(Chrome Silicon) Purple 1.550” 1.130” @1.950” @1.250”
Dual w/Damper Natural 1.005” .725” 175 lbs 510 lbs
9265 490 1.130” .675”
(Chrome Silicon) Yellow 1.540” 1.115” @1.875” @1.200”
Dual w/Damper Green 1.025” .740” 215 lbs 550 lbs
9365 460 1.170” .680”
(Chrome Silicon) Green 1.550” 1.135” @1.950” @1.270”
Dual w/Damper Natural 1.040” .740” 240 lbs 600 lbs
9385 500 1.180” .720”
(Iskyloy Endurance) Silver 1.560” 1.145” @2.000” @1.280”
Dual w/Damper Yellow 1.065” .770” 240 lbs 685 lbs
9685 550 1.150” .750”
(Iskyloy Endurance) Yellow 1.625” 1.175” @2.000” @1.250”
• Full-Spectrum Harmonic Vibration Control™
TOOL ROOM™ RACING VALVE SPRINGS • 100% “Hands-On” Precision Manufactured
Isky TOOL ROOM™ Valve Springs are the ultimate for Winston Cup, • Absolute Maximum Endurance™
Busch, Super Truck, WoO, Hav-a-Tampa series, and other 9:1 or • The 1,000 Racing Mile Endurance Test Standard™
all-out high compression oval track engines. • Gold Stripe Test Certification
SEAT OPEN RATE COIL MAX TYPE OF
PART NO. TYPE/MATERIAL O.D. I.D.
PRESSURE PRESSURE PER INCH BIND NET LIFT CAM
1.260” 135 lbs 350 lbs
295-D Single w/Damper --- 360 1.100” .600” Solid
.886” @1.775” @ 1.175”
1.534” 1.010” 165 lbs 450 lbs
9905 Dual w/Damper 475 1.160” .600” Solid
1.120” .740” @1.900” @1.300”
1.560” 1.040” 195 lbs 540 lbs
9915 Dual w/Damper 500 1.175” .700” Roller
1.145” .740” @1.975” @1.275”
1.560” 1.153” 245 lbs 590 lbs
9935 Dual Damperless 490 1.150” .700” Roller
1.155” .820” @1.950” @1.250”
1.625” 1.065” 250 lbs 675 lbs
9945 Dual w/Damper 550 1.180” .750” Roller
1.175” .770” @2.020” @1.270”
1.560” 1.040” 245 lbs 585 lbs
9965 Dual w/Damper 470 1.170” .680” Roller
1.145” .740” @1.950” @1.270”
Dual w/Damper 1.560” 1.040” 245 lbs 600 lbs
9985 500 1.200” .700” Roller
1.145” .740” @2.000” @1.300”
Dual w/Damper 1.570” 1.035” 250 lbs 625 lbs
9995 510 1.200” .730” Roller
1.145” .740” @2.030” @1.300”
Dual w/Damper 1.600” 1.040” 250 lbs 735 lbs
9998-RAD 600 1.160” .800” ---
(RAD-9000™) 1.150” .745” @2.050” @1.250”
Dual w/Damper 1.600” 1.040” 250 lbs 770 lbs
9999-RAD 650 1.150” .800” ---
(RAD-9000™) 1.150” .745” @2.000” @1.200”
ADJUSTABLE GUIDEPLATES EXTREME ZONE™ EZ-ROLLX™
ROLLER LIFTERS
Made simple to minimize modifications associated with
high performance factory aftermarket aluminum or These lifters have replaced the traditional needle bearings
cast iron cylinder heads where intake ports have been with super-low friction Epsilon-ZX solid bearing raceways
relocated from their original factory position. that are able to distribute the forces over a larger area, making
them much more reliable and less prone to uneven wear.
PART NO. DESCRIPTION
PART NO. DESCRIPTION
200-AGP 5/16” diameter pushrods
300-AGP 3/8” diameter pushrods 372-96-RHEZX Big Block Chevy, .842” dia., Extra tall body for bowtie, Centerline,
Epsilon-ZX solid bearing raceway material
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