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  Isky Cams & Kits - Chevy
Big Block 396-454 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
  • Valve Springs
  • Spring Shims
  • Steel Retainers
  • Poly Locks
Chevy 396/402/427/454 BB V8 Engines
HYDRAULIC Cams
Grind # Description Cam # Cam
Price
Kit # Kit
Price
256-SUPER
CAM
Best torque & economy. Passenger cars & trucks. Maximum compr. 9.5:1. Smooth idle. Std. Axle ratio. Good vacuum. Computer compatible. Std. To 600 CFM Carb. RPM-Range (1500-4800) Valve Lift (.490 .490) Valve Lash hot (.000 .000) ADV Duration (256 256) .050 Duration (202 202) LC 112 396256 $159 390256 $499
256/262 Best overall cam for towing, 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 (.490 .488) Valve Lash hot (.000 .000) ADV Duration (256 262) .050 Duration (202 208) LC 110 396256/262 $159 390256/262 $499
262-SUPER
CAM
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 (.488 .488) Valve Lash hot (.000 .000) ADV Duration (262 262) .050 Duration (208 208) LC 108 396262 $159 390262 $499
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 (.525 .525) Valve Lash hot (.000 .000) ADV Duration (264 264) .050 Duration (214 214) LC 108 396264 $165 390264 $519
270-HL Replacement for factory LS-5 Cam. Good all-around performance. Good idle. Stock converter. 3:36-3:90 axle ratio. Up to 750 CFM Carb. RPM-Range (2000-6000) Valve Lift (.510 .510) Valve Lash hot (.000 .000) ADV Duration (270 270) .050 Duration (216 216) LC 114 396270 $165 390270 $519
270-MEGA Excellent mid-range performance. Fair idle. Stock converter. 9-10.5:1 compr. 3.70-4.11 axle ratio. Up to 650 CFM Carb. RPM-Range (2000-6200) Valve Lift (.542 .542) Valve Lash hot (.000 .000) ADV Duration (270 270) .050 Duration (221 221) LC 108 396271 $165 390271 $519
270/280 MEGA Good all around performance. Good idle & vacuum. 3.70-4.11 axle ratio. 9.5-10.:1 compr. Computer compatible with stage 1 or 2 chips. Stock converter. RPM-Range (2200-6500) Valve Lift (.542 .565) Valve Lash hot (.000 .000) ADV Duration (270 280) .050 Duration (221 232) LC 114 396271/281-14 $165 390271/281-14 $519
286 High performance use/bracket racing. Lopey idle. 2500 Stall. 9.5-10.5:1 compr. 3:90-4:11 axle ratio. Up to 780 CFM Carb. RPM-Range (2500-6500) Valve Lift (.510 .510) Valve Lash hot (.000 .000) ADV Duration (286 286) .050 Duration (224 224) LC 108 396286 $165 390286 $519
296 High performance use/bracket racing. Good idle. 2800 Stall. 10-11:1 compr. 3:90-4:11 axle ratio. Up to 800 CFM Carb. RPM-Range (2500-6500) Valve Lift (.510 .510) Valve Lash hot (.000 .000) ADV Duration (296 296) .050 Duration (234 234) LC 114 396296 $165 390296 $519
280-MEGA High performance use/bracket racing. Lopey idle. 2500 stall. 9.5-10.5:1 compr. 3:90-4:11 axle ratio. Up to 780 CFM Carb. RPM-Range (2500-6800) Valve Lift (.565 .565) Valve Lash hot (.000 .000) ADV Duration (280 280) LC 108 396281 $165 390281 $519
280-MEGA Great performance in Jet-Boat (Marine Use). Lopey idle. 10:1 compr. Up to 800 CFM Carb. RPM-Range (2500-6800) Valve Lift (.565 .565) Valve Lash hot (.000 .000) ADV Duration (280 280) .050 Duration (232 232) LC 110 396282 $165 390282 $519
292-MEGA High performance use/bracket racing. Rough idle. 2800 Stall. 10-11:1 compr. 4:11-4:56 axle ratio. Up to 780CFM Carb. RPM-Range (2800-7000) Valve Lift (.590 .590) Valve Lash hot (.000 .000) ADV Duration (292 292) .050 Duration (244 244) LC 108 396292 $165 390292 $519
304-MEGA Ultimate high-performance use/bracket racing. Rough idle. 3000 stall. 1:1 & up compr. 4:33-4:88 axle ratio. Up to 850 CFM Carb. RPM-Range (3200-7500) Valve Lift (.612 .612) Valve Lash hot (.000 .000) ADV Duration (304 304) .050 Duration (256 256) LC 108 396304 $165 390304 $519
TurboCycle A Maximum economy/torque. Turbocharges. Up to 7 PSI Boost. Smooth idle. Stock converter. Standard axle ratio. Up to 650 CFM Carb. RPM-Range (1000-5000) Valve Lift (.485 .455) Valve Lash hot (.000 .000) ADV Duration (264 252) .050 Duration (208 194) LC 114 396-TA $165 390-TKA $535
SOLID Cams
Grind # Description Cam # Cam
Price
Kit # Kit
Price
Z-66 Good mid-range power. Fair idle. Stock converter. 3:55-3.90 axle ratio. 600-60 CFM Carb. 10:1 compr. RPM-Range (2000-6000) Valve Lift (.520 .520) Valve Lash hot (.020 .020) ADV Duration (268 268) .050 Duration (228 228) LC 108 396266 $165 390266 $519
Z-45 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 (.530 .530) Valve Lash hot (.018 .018) ADV Duration (278 278) .050 Duration (240 240) LC 108 396245 $165 390245 $519
Z-33 High performance use/bracket racing. Lopey idle. 3000 stall. 10.5:1 compr. 3:90-4:11 axle ratio. Up to 800 CFM Carb. RPM-Range (3000-7000) Valve Lift (.560 .560) Valve Lash hot (.030 .030) ADV Duration (290 290) .050 Duration (250 250) LC 108 396233 $165 390233 $489
Z-55 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 (.590 .590) Valve Lash hot (.028 .028) ADV Duration (300 300) .050 Duration (254 254) LC 108 396255 $165 390255 $489
Z-77 High performance use/bracket racing. Rough idle. 3500 Stall. 4:11-4:56 axle ratio. 11:1 compr. Up to 850 CFM Carb. RPM-Range (4000-7500) Valve Lift (.590 .590) Valve Lash hot (.028 .028) ADV Duration (310 310) .050 Duration (264 264) LC 108 396277 $165 390277 $489
Z-89 Good pulling power for drags in heavy car. Rough idle. 3500 stall. 4:33-4:56 axle ratio. 11:1 compr. Up to 850 CFM Carb. RPM-Range (3500-7500) Valve Lift (.630 .630) Valve Lash hot (.028 .028) ADV Duration (304 304) 0.50 Duration (264 264) LC 108 396289 $175 390289 $489
Z-88 All-out drags. 4000-4500 Stall. 4:56-4:88 axle ratio. 850+ CFM Carb. 11.5+compr. RPM-Range (3800-7500) Valve Lift (.650 650) Valve Lash hot (.028 .028) ADV Duration (314 314) .050 Duration (272 272) LC 108 396288 $175 390288 $545
Z-90 High perf. Use. Bracket racing, V-drive, high compr. RPM-Range (3000-6400) Lift (.595 .635) Valve Lash hot (.024 .022) Duration (314 334) .050 Duration (264 274) LC 110 396290 $175 390290 $545
Z-95 All-out drags. 5000 Stall. 4:88-5:13 axle ratio. 850+ CFM Carb. 12:1 compr. RPM-Range (4500-7500) Valve Lift (.665 .665) Valve Lash hot (.030 .030) ADV Duration (320 320) .050 Duration (274 274) LC 108 396295 $175 390295 $545
Z-97 Excellent circle racing application, V-drive, flat bottom RPM-Range (3600-7000) Lift (.665 .654) Valve Lash hot (.030 .030) Duration (320 330) .050 Duration (274 286) LC 110 396297 $175 390297 $545
654 All-out drags. 5000 Stall. 4:88-5:13 axle ratio. 850+CFM Carb. 12:1 compr. RPM-Range (4500-8000) Valve Lift (.654 .654) Valve Lash hot (.030 .030) ADV Duration (330 330) .050 Duration (286 286) LC 108 396654 $175 390654 $545
ROLLER Cams
Grind # Description Cam # Cam
Price
Kit # Kit
Price
RR-570 Strong low-mid range perf. Fair idle. 2500+stall. 3.73-4.10 axle ratio. 10.5-11.5:1 compr. 650-750 CFM Carb. RPM-Range (2600 6200) Valve Lift (.565 .575) Valve Lash hot (.024 .028) ADV Duration (278 284) .050 Duration (236 244) LC 110 396570 $365 390570 $1185
RR-640 High perf. usage, bracket race drags. 3000 stall. 4.10-4.56 axle ratio. 11-12:1 compr. 780+CFM Carb. RPM-Range (3200-6800) Valve Lift (.640 .640) Valve Lash hot (.028 .028) ADV Duration (304 304) .050 Duration (264 264) LC 108 396640 $365 390640 $1185
RR-644 3/8-1/2 mile banked oval track on dirt. 750 CFM Carb. RPM-Range (3600-7200) Valve Lift (.640 .644) Valve Lash hot (.028 .028) ADV Duration (304 310) .050 Duration (264 270) LC 108 396644 $365 390644 $1185
RR-645 Best high perf. Jet boat cam. B-impeller RPM-Range (3600-6800) Lift (.640 .650) Valve Lash hot (.028 .028) Duration (304 318) .050 Duration (264 272) LC 112 396645 $365 390645 $1185
RR-650 Bracket Racing. 4000 stall. 4.56-4.88 axle ratio. High compr. 850+CFM Carb. RPM-Range (3500-7200) Valve Lift (.650 .650) Valve Lash hot (.028 .028) ADV Duration (318 318) .050 Duration (272 272) LC 108 396650 $365 390650 $1185
RR-686 Excellent choice for super gas competition. 4500 stall. 4.88 axle ratio. High compr. 850+CFM Carb. RPM-Range (4500-8000) Valve Lift (.686 .686) Valve Lash hot (.028 .028) ADV Duration (320 320) .050 Duration (282 282) LC 108 396686 $365 390686 $1185
RR-652 Bracket racing: jet w/B-impeller, flat bottom, hydro RPM-Range (4500-7400) Lift (.650 .654) Valve Lash hot (.028 .030) Duration (318 330) .050 Duration (274 286) LC 110 396652 $365 390652 $1185
RR-645 Popular super gas cam. 5000 stall. 4.88 axle ratio. High compr. 850+CFM Carb. 396454 $365 390454 $1185
RR-688 Off-shore marine racing long oval course. High compr. 850+CFM Carb. RPM-Range (4500-8200) Valve Lift (.686 .654) Valve Lash hot (.028 .030) ADV Duration (320 330) .050 Duration (284 286) LC 110 396688 $365 390688 $1185
RR-727 Super gas, super compr. Drags. 5000 stall. 4.88-5.13 axle ratio. High compr. Tunnel Ram Intake with 2 carburetors. RPM-Range (4500-8500) Valve Lift (.727 .727) Valve Lash hot (.030 .030) ADV Duration (330 330) .050 Duration (288 288) LC 108 396727 $365 390727 $1372
RR-730 Super Gas: 4500 stall. 4.56-4.88 axle ratio. High compr. Tunnel Ram Intake with 2 carburetors. RPM-Range (3800-7500) Valve Lift (.730 .730) Valve Lash hot (.028 .028) ADV Duration (314 314) .050 Duration (274 274) LC 108 396730 $365 390730 $1372
RR-730A Super Gas, Super Comp: 4500 stall. 4.88 axle ratio. High compr. Tunnel Ram Intake with 2 carburetors. RPM-Range (3800-7600) Valve Lift (.730 .730) Valve Lash hot (.028 .028) ADV Duration (314 322) .050 Duration (274 282) LC 110 396731 $365 390731 $1372
RR-730B Bracket racing, normally aspirated or supercharged gas flat bottom, hydro. RPM-Range (4800-7500) Lift (.730 .727) Valve Lash hot (.028 .030) Duration (322 330) .050 Duration (282 288) LC 110 396732 $365 390732 $1372
RR-730C Super stock automatic: 427 & 454 cu. In. 4500+stall. 4.88-5.13 axle ratio. High compr. RPM-Range (3800-7800) Valve Lift (.730 .730) Valve Lash hot (.028 .028) ADV Duration (318 320) .050 Duration (284 288) LC 108 396734 $365 390734 $1372
RR-747A Super stock automatic: 396 cu.in. 4500+stall. 4.56-4.88 axle ratio. High compr. RPM-Range (3800-7600) Valve Lift (.747 .730) Valve Lash hot (.028 .028) ADV Duration (306 314) LC 108 396747 $365 390747 $1372
RR-747B Super stock: 4-speed. 4500 +stall. 396 cu. In. 4.88-5.13 axle ratio. High compr. RPM-Range (3800-7800) Valve Lift (.747 .730) Valve Lash hot (.028 .028) ADV Duration (314 320) .050 Duration (282 288) LC 108 396748 $365 390748 $1372
RR-747C Super stock: 4-speed. 5000+stall. 427 cu.in. 4.88-5.13 axle ratio. High compr. RPM-Range (3800-7800) Valve Lift (.747 .730) Valve Lash hot (.028 .028) ADV Duration (318 320) .050 Duration (284 288) LC 108 396749 $365 390749 $1372
RR-747D Super stock: 4-speed. 5000+stall. 454 cu.in. 4.88-5.13 axle ratio. High compr. RPM-Range (4000-8200) Valve Lift (.747 .730) Valve Lash hot (.028 .028) ADV Duration (320 322) .050 Duration (288 292) LC 108 396750 $365 390750 $1372
RR-770 Super gas, super compr. 4500+stall. 4.88 axle ratio. High compr. Tunnel ram intake with 2 carburetors. RPM-Range (4500-8200) Valve Lift (.770 .770) Valve Lash hot (.028 .028) ADV Duration (324 324) .050 Duration (284 284) LC 108 396770 $365 390770 $1485
RR-772 Super gas, super comp. 4500+stall. 4.88-5.13 axle ratio. High compr. Tunnel ram intake with 2 carburetors RPM-Range (4600-8600) Valve Lift (.772 .772) Valve Lash hot (.028 .028) ADV Duration (332 332) .050 Duration (288 288) LC 108 396772 $365 390772 $1485
RR-774 Super gas, super comp. 4500+stall. 4.88-5.13 axle ratio. High compr. Tunnel ram intake with 2 carburetors. RPM-Range (4500-8500) Valve Lift (.770 .772) Valve Lash hot (.028 .028) ADV Duration (324 332) .050 Duration (284 288) LC 110 396774 $365 390774 $1485
RR-775 Bracket racing, normally aspirated or supercharged gas flat bottom, hydro. RPM-Range (5000-7700) Lift (.772 .763) Valve Lash hot (.028 .030) Duration (332 336) .050 Duration (288 294) LC 110 396775 $365 390775 $1485
RR-798 All-out competition. Comp. Eliminator. 4.88-5.13 axle ratio. 5000 stall or lenco. High compr. Tunnel ram intake with 2 carburetors. RPM-Range (4800-8800) Valve Lift (.798 .798) Valve Lash hot ( .028 .028) ADV Duration (332 332) .050 Duration (288 288) LC 110 396798 $365 390798 $1485
RR-799 All-out competition. Comp. Eliminator. 4.88-5.13 axle ratio. 5000 stall or lenco. High compr. Tunnel ram intake with 2 carburetors. RPM-Range (5000-9000) Valve Lift (.799 .799) Valve Lash hot (.028 .028) ADV Duration (336 336) .050 Duration (294 294) LC 110 396799 $365 390799 $1485
RR-800A Pro-stock; 500 cu.in./blown alcohol applications; Lenco transmission. High compr. Tunnel ram intake with 2 carburetors. 5.13-5.38 axle ratio. RPM-Range (5200-9200) Valve Lift (.800 .801) Valve Lash hot (.028 .030) ADV Duration (332 344) .050 Duration (288 304) LC 114 396800 $365 390800 $1485
RR-800B Pro-stock; Mountain motor. Lenco transmission. High compr. Tunnel ram intake with 2 carburetors. 5.13-5.38 axle ratio. RPM-Range (5500-9500) Valve Lift (.800 .801) Valve Lash hot (.028 .030) ADV Duration (336 344) .050 Duration (294 304) LC 114 396801 $365 390801 $1485
RR-831 500 cu. In pro-stock; Lenco transmission. High compr. Tunnel ram intake with 2 carburetors. 513-5.38 axle ratio. RPM-Range (5600-9600) Valve Lift (.831 .805) Valve Lash hot (.028 .028) ADV Duration (332 350) .050 Duration (288 310) LC 114 396831 $365 390831 $1579