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 		   Isky Cams & Kits - Chevy
Small Block 265-400 Engines

 These high quality cams are made with the masterful craftsmanship that Isky is so well known or, ensuring you the power you need, and the long cam life you deserve.

Cam Kits Include
  • Cam
  • Lifters (Roller Lifters for ROLLER-SOLID only)
  • Valve Springs
  • Spring Shims
  • Steel Retainers
  • Poly Locks
  • (ROLLER-SOLID Only: also Pushrods, Rev Kit, Thrust Bumper, Cam Sprocket Lock Plate, Alum. Bronze Dist. Gear)
Chevy 265/283/302/307/327/350/400 SB V8 Engines
HYDRAULIC Cams
Grind # Description Cam # Cam
Price 		Kit # Kit
Price
256-SUPERCAM Best torque & economy in 327-400 C.I. passenger cars & trucks. max. compr., 9.5:1, smooth idle, std. axle ratio, good vacuum, computer compatible. Std. to 600 CFM Carb. RPM-Range (1500-4800) Valve Lift (.425 .425) Valve Lash hot (.000 .000) ADV Duration (256 256) .050 Duration (202 202) LC 112 201256 $125 200256 $392
256-SUPERCAM Best torque & economy in 305 C.I. 9:1 compr., passenger cars & trucks. Std. axle ratio, std. to 600 CFM Carb. smooth idle. RPM-Range (1500-4800) Valve Lift (.425 .425) Valve Lash hot (.000 .000) ADV Duration (256 256) .050 Duration (202 202) 201258 $125 200258 $392
256/262 Best overall cam for twing. Trucks, Vans, R.V., etc. Broad torque band. Good vacuum. 3.55-4:10 axle ratio. 9.5:1 compr. Computer compatible. Smooth idle. RPM-RAnge (1800-5000) Valve Lift (.425 .435) Valve Lash hot (.000 .000) ADV Duration (256 262) .050 Duration (202 208) LC 110 201256/262 $132 200256/262 $392
262-SUPERCAM Low/Mid-Range performance cam. 9.5:1 compr. 3.08-3.70 axle ratio. Passenger cars & trucks. Up to 625 CFM Carb. RPM-Range (2000-5500) Valve Lift (.435 .435) Valve Lash hot (.000 .000) ADV Duration (262 262) .050 Duration (208 208) LC 108 201262 $125 200262 $392
262/270 HL Excellent performance cam with good vacuum, good idle. 3.08-3.73 axle ratio. 9.5:1 compr. Up to 650 CFM Carb. Computer compatible. Stock converter. RPM-Range (2000-5700) Valve Lift (.435 .445) Valve Lash hot (.000 .000) ADV Duration (262 270).050 Duration (208 216) LC 112 201262/270-12 $132 200262/270-12 $405
264-MEGA Tremendous torque & good mid-range power. 9-10.5:1 compr., good idle stock converter. 3.23-3.70 axle ratio. Up to 625 CFM Carb. RPM-Range (2000-5800) Valve Lift (.450 .450) Valve Lash hot (.000 .000) ADV Duration (264 264) .050 Duration (214 214) LC 108 201264 $132 200264 $405
264/270 MEGA Good mid-range power. good vacuum & good idle. 3.23-3.70 axle ratio. 9.5-10.5:1 compr. Computer compatible with stage 1 chip. Stock converter. Up to 650 CFM Carb. RPM-Range (2000 6000) Valve Lift (.450 .465) Valve Lash hot (.000 .000) ADV Duration (264 270) .050 Duration (214 221) LC 112 201264/
271-12 		$119 200264/271-12 $405
270-HL HYD Good all-around performance. Fair idle, Stock converter, 3.70-4.11 axle ratio. up to 650 CFM Carb. 9.5:1 compression RPM-Range (2000-6000)Valve Lift (.445 .445) Valve Lash hot (.000 .000) ADV Duration (270 270) .050 Duration (216 216) LC 108 201270 $125 200270 $395
270-MEGA Hobby stock & street classes; 1/4-3/8 mile tracks with slight bank. 2BBL carburetor RPM-Range (2000-6200) Valve Lift (.465 .465) Valve Lash hot (.000 .000) ADV Duration (270 270) .050 Duration (221 221) LC 108 201271 $132 200271 $405
270/280 MEGA Good all around performance. Good idle & vacuum. 3.70-4.11 axle ratio. 9.5-10.5:1 compr. Computer compatible with stage 1 or 2 chip. Stock converter RPM-Range (2200-6500) Valve Lift (.465 .485) Valve Lash hot (.000 .000) ADV Duration (270 280) .050 Duration (221 232) LC 112 201271/281-12 $135 200271/281-12 $405
280-MEGA High performance use/bracket racing. Rough idle. 2800 stall. 10-11:1 compr. 4.11-4.56 axle ratio. Up to 780 CFM Carb. RPM-Range (2500-6800) Vlave Lift (.485 .485) Valve Lash hot (.000 .000) ADV Duration (280 280) .050 Duration (232 232) LC 108 201281 $132 200281 $449
292-MEGA High performance use/bracket racing. Rough idle. 2800 Stall. 10-11:1 compr. 4.11-4.56 axle ratio. Up to 780 CFM Carb. RPM-Range (2800-7000) Valve Lift (.505 .505) Valve Lash hot (.000 .000) ADV Duration (292 292) .050 Duration (244 244) LC 108 201292 $132 200292 $449
304-MEGA Ultimate high-performance use/bracket racing. Rough idle. 3000 stall. 11:1 & up compr. 4.33-4.88 axle ratio. Up to 850 CFM Carb. RPM-Range (3200-7500) Valve Lift (.525 .525) Valve Lash hot (.000 .000) ADV Duration (304 304) .050 Duration (256 256) LC 108 201304 $132 200304 $449
TurboCycle A Maximum economu/torque. Turbocharged. Up to 7 PSI Boost. Smooth idle. Stck converter. STd. axle ratio. Up to 650 CFM Carb. RPM-Range (1000-5000) Valve Lift (.435 .400) Valve Lash hot (.000 .000) ADV Duration (262 250) .050 Duration (208 294) LC 114 201-TA $135 200-TKA $409
SOLID Cams
Grind # Description Cam # Cam
Price 		Kit # Kit
Price
Z-20 Mid-range performance. Good-idle. stock converter. 3:70-4:11 axle ratio. Up to 650 CFM Carb. 9:1 compr. RPM-Range (2000-6000) Valve Lift (.448 .448) Valve Lash hot (.018 .018) ADV Duration (268 268) .050 Duration (228 228) LC 112 201020 $139 200020 $419
Z-25 Strong mid-range performance. Lopey idle. 2500 RPM Stall. 3:70-4:11 axle ratio. 650-750 CFM Carb. 10.5:1 compr. RPM-Range (2500-6500) Valve Lift (.480 .480) Valve Lash hot (.018 .018) ADV Duration (278 278) .050 Duration (240 240) LC 108 201025 $139 200025 $419
Z-30 High performance use/bracket racing. Lopey idle. 3000 Stall. 10.5:1 compr. 3:90-4:1 axle ratio Up to 800 CFM Carb. RPM-Range (3000-7000) Valve Lift (.480 .480) Valve Lash hot (.030 .030) ADV Duration (290 290) .050 Duration (250 250) LC 108 201030 $139 200030 $419
Z-35 High performance. street/strip. Lopey idle. 2800 Stall. 4:11-4:88 axle ratio. Upt o 750 CFM Carb. 10.5:1 Compr. RPM-Range (3000-7500) Valve Lift (.525 .525) Valve Lash hot (.016 .016) ADV Duration (288 288) .050 Duration (254 254) LC 108 201035 $139 200035 $449
505-T Ideal for IMCA & Wissota modified clases. 2-BBL Carb. Banked 1/4-3/8 mile tracks. RPM-Range (3000-7000) Valve Lift (.505 .505) Valve Lash hot (.030 .030) ADV Duration (290 290) .050 Duration (254 254) LC 108 201506 $139 200506 $459
Z-50 Bracket racing. Rough idle. 3000 Stall. 4:11-4:56 axle ratio. Up to 850 CFM Carb. 10.5:1 compr. RPM-Range (3500-7500) Valve Lift (.507 .507) Valve Lash hot (.028 .028) ADV Duration (300 300) .050 Duration (254 254) LC 108 201050 $109 200050 $449
Z-60 High performance. Street/strip. Lopey idle. 3200 Stall. 4:56-4:88 axle ratio. Up to 800 CFM Carb. 10.5-11:1 compr. RPM-Range (3500-7500) Valve Lift (.548 .548) Valve Lash hot (.016 .016) ADV Duration (292 292) .050 Duration (259 259) LC 108 201060 $145 200060 $469
Z-65 All out competition/drags. 5000 Stall. 5:13-5:57 axle ratio. 850+CFM Carb. 12:1 compr. RPM-Range (4000-8000) Valve Lift (.560 .560) Valve Lash hot (.028 .028) ADV Duration (314 314) .050 Duration (272 272) LC 108 201065 $145 200065 $469
Z-70 Bracket racing. Loey idle. 4000 stall. 4:88-5:38 axle ratio. Up to 850 CFM Carb. 11:1 compr. RPM-Range(3500-7500) Valve Lift (.548 .548) Valve Lash hot (.028 .028) ADV Duration (304 304) .050 Duration (264 264) LC 108 201070 $145 200070 $469
Z-75 All out competition drags. 5000 Stall. 5:13-5:57 axle ratio. 850+CFM Carb. 12:1 compr. RPM-Range (4000-8000) Valve Lift (.570 .570) Valve Lash hot (.028 .028) ADV Duration (320 320) .050 Duration (274 274) LC 108 201075 $149 200075 $469
Z-79 All out competition drags. 5000 Stall. 5:13-5:57 axle ratio. 850+CFM Carb. 12:1 compr. RPM-Range (4200-8200) Valve Lift (.570 .585) Valve Lash hot (.028 .030) ADV Duration (320 330) .050 Duration (274 284) LC 108 201079 $149 200079 $469
Z-85 All out competition/drags. 5000+Stall. 5:38-5:86 axle ratio. 850+ CFM Carb. 12.5:1 compr. RPM-Range (4500-8500) Valve Lift (.585 .585) Valve Lash hot (.030 .030) ADV Duration (330 330).050 Duration (284 284) LC 108 201085 $149 200085 $469
SOLID Cams
Grind # Description Cam # Cam
Price 		Kit # Kit
Price
RR-490 Strong low-end perf. Fair idle. 2500 stall. 3.55-3.90 axle ratio. 10-11:1 compr. Up to 680 CFM Carb. RPM-Range (2200-6000) Valve Lift (.485 .495) Valve Lash hot (.024 .028) ADV Duration (278 284) .050 Duration (234 242) LC 108 201490 $319 200490 $1225
RR-520 Strong low-end perf. Fair idle. 2500 stall. 3.55-3.90 axle rato. 10-11:1 compr. Up to 680 CFM Carb. RPM-Range (2400-6200) Valve Lift (.525 .525) Valve Lash hot (.020 .020) ADV Duration (280 280) .050 Duration (240 240) LC 108 201520 $319 200520 $1225
RR-575 Good mid-rnge perf. Rough idle. 2500 stall. 3.90-4.10 axle ratio. 10-11:1 compr. Up ro 750 CFM Carb. RPM-Range (2600-6500) Valve Lift (.576 .576) Valve Lash hot (.028 .028) ADV Duration (284 284) .050 Duration (244 244) LC 108 201575 $319 200575 $1225
RR-570T Good mid-range perf. Lopey idle. 2800 stall. 4.10-4.56 axle ratio. 10-11:1 compr. Up to 780 CFM Carb. RPM-Range (3000-7000) Valve Lift (.570 .570) Valve Lash hot (.028 .028) ADV Duration (290 290) .050 Duration (250 250) LC 108 201570 $319 200570 $1225
RR-602 Good cam for 3500LB bracket racing drags. 3000 stall. 4.56-4.88 axle ratio. 11-12:1 compr. Up to 800 CFM Carb. RPM-Range (3500-7500) Valve Lift (.602 .602) Valve Lash hot (.028 .028) ADVDuration (300 300) .050 Duration (260 260) LC 108 201602 $319 200602 $1255
RR-675 Good mid-range perf. For heavy bracket racing drags. 3500-4000 stall. 4.56-5.13 axle ratio. 11-12:1 compr. RPM-Range (4000-8000) Valve Lift (.675 .630) Valve Lash hot (.024 .028) ADV Duration (308 314) .050 Duration (264 272) LC 108 201675 $319 200675 $1255
RR-600 Moderate lift, top end power cam. Great for nostalgia drags. 4500-5000 stall. 5.38-5.57 axle ratio. High compression. 850 CFM Carb. RPM-Range (4500-8500) Valve Lift (.588 .588) Valve Lash hot (.028 .028) ADV Duration (320 320) .050 Duration (280 280) LC 108 201600 $319 200600 $1255
RR-630 Good all around perf. For bracket racing. 4000-4500 stall. 4.88-5.13 axle ratio. 11-12:1 compr. 850+Carb. RPM-Range (4000-8000) Valve Lift (.630 .630) Valve Lash hot (.028 .028) ADV Duration (314 314) .050 Duration (272 272) LC 108 201630 $319 200630 $1255
RR-630A Good all around perf. For bracket racing. 4000-4500 stall. 4.88-5.13 axle ratio. 11-12:1 compr. 850+Carb. RPM-Range (4200-8300) Valve Lift (.630 .630) Valve Lift hot (.028 .028) ADV Duration (314 322) 0.50 Duration (272 280) LC 108 201631 $319 200631 $1255
RR-641A Super stock automatic: 265 cu. In. 4500-5000 stall. 5.13-5.57 axle ratio. High compr. RPM-Range (4400-8000) Valve Lift (.641 .641) Valve Lash hot (.028 .028) ADV Duration (306 306) .050 Duration (272 272) LC 104 201670 $319 200670 $1255
RR-641B Super stock, 4 speed: 265 cu. in. 5.38 axle ratio. High compr. RPM-Range (4600-8000) Valve Lift (.641 .641) Valve Lash hot (.028 .028) ADV Duration (310 310) .050 Duration (276 276) LC (106) 201671 $319 200671 $1255
RR-641C Super stock, automatic: 283 cu. In. 4500-5000 stall. 5.38-5.57 axle ratio. High compr. RPM-Range (4600-8000) Valve Lift (.641 .641) Valve Lash hot (.028 .028) ADV Duration (310 314) .050 Duration (276 280) LC 104 201672 $319 200672 $1255
RR-641D Super stock, 4-speed: 283 cu. in. 5.86 axle ratio. High compr. RPM-Range (4800-8200) Valve Lift (.641 .641) Valve Lash hot (.028 .028) ADV Duration (314 320) .050 Duration (280 286) LC 104 201673 $319 200673 $1255
RR-641E Super stock, automatic: 327, 350 cu. In. 5000+stall. 5.38 axle ratio. High compr. RPM-Range (4800-8200) Valve Lift (.641 .641) Valve Lash hot (.028 .028) ADV Duration (318 320) .050 Duration (282 286) LC 104 201674 $319 200674 $1255
RR-660 Good all-around perf. In super-gas & super comp. 5000 stall. 5.38-5.86 axle ratio. High compr. 850+CFM RPM-Range (4500-8500) Vlave Lift (.660 .660) Valve Lash hot (.028 .028) ADV Duration (324 324) .050 Duration (282 282) LC 108 201660 $319 200660 $1255
RR-662 Good all-around perf. In super-gas & super comp. 5000+ stall. 5.57-5.86 axle ratio. High compr. 850+CFM. RPM-Range (5000-9000) Valve Lift (.662 .662) Valve Lash hot (.028 .028) ADV Duration (332 332) .050 Duration (286 286) LC 108 201662 $319 200662 $1255
RR-665 Good all-around perf. in super-gas & super comp. 5000+ stall. 5.57-5.86 axle ratio. High compr. 850+CFM RPM-Range (4800-8800) Valve Lift (.660 .662) Valve Lash hot (.028 .028) ADV Duration (324 332) .050 Duration (282 286) LC 108 201665 $319 200665 $1255
RR-718 Good all-around perf. for super-comp. 4500+stall. 5.38-5.86 axle ratio. High compr. Tunnel Ram manifold with 2 carburetors. RPM-Range (4500-8500) Valve Lift (.718 .660) Valve Lash hot (.024 .028) ADV Duration (318 324) .050 Duration (274 282) LC 108 201718 $319 200718 $1255
RR-735 Good all-around perf. for super-comp. 4500+stall. 5.38-5.86 axle ratio. High compr. Tunnel Ram manifold with 2 carburetors. RPM-Range (4500-8800) Valve Lift ( .735 .685) Valve Lash hot (.026 .28) ADV Duration (322 332) .050 Duration (278 286) LC 108 201735 $319 200735 $1255
RR-664A Super stock, 4-speed: 327 C.I. 5.86 axle ratio. High compr. RPM-Range (5000-8500) Valve Lift (.664 .664) Valve Lash hot ( .028 .028) ADV Duration (314 318) .050 Duration (282 286) LC 106 201663 $319 200663 $1255
RR-664B Super stock, 4-speed: 350 C.I. 5.86 axle ratio. High compr. RPM-Range (5000-8700) Valve Lift (.664 .630) Vlave Lash hot ( .028 .028) ADV Duration (314 322) .050 Duration (282 290) LC 106 201664 $319 200664 $1255
RR-685 Comp. Eliminator, super-comp drags. 5000+stall. 5.86-6.14 axle ratio. High compr. Tunnel ram manifold with 2 carburetors. RPM-Range (5000-9000) Valve Lift (.685 .685) Valve Lash hot (.028 .030) ADV Duration (332 336) .050 Duration (286 292) LC 108 201685 $319 200685 $1255
RR-685A Comp. Eliminator, super-comp drags. 5000+stall. 5.86-6.14 axle ratio. High compr. Tunnel ram manifold with 2 carburetors. RPM-Range (5000-9000) Valve Lift (.685 .654) Valve Lash hot (.028 .020) ADV Duration (332 336) .050 Duration (286 292) LC 108 201686 $319 200686 $1255