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 		   Isky Cams & Kits - Chevy
Chevy II 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
(except where noted below with *)
  • Cam
  • Lifters
  • Push Rods
  • Valve Springs
  • Spring Shims
  • Retainers
  • Bronze Dist. Gear
  • Poly Locks
Chevy II '62-71 4 Cyl. 153 Engines
* Bronze Dist. Gear & Pushrods Not Included
** Pushrods Not Included
Grind # Description Cam # Cam
Price 		Kit # Kit
Price
HYDRAULIC Cams
256-SUPER
CAM 		Best torque & economy in 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 (.493 .493) Valve Lash hot (.000 .000) ADV Duration (256 256) .050 duration (202 202) LC 112 251256 $172 250256 $325*
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 109 251262 $172 250262 $325*
270-HL Good All-Around Performance. Fair idle. stock converter. 3:70-4:11 Axle Ratio. Up to 650 CFM Carb. 9.5:1 Compr. RPM-Range (2000-6000) Valve Lift (.510 .510) Valve Lash hot (.000 .000) ADV Duration (270 270) .050 Duration (216 216) LC 109 251270 $172 250270 $325*
SOLID Cams
525-A Strong-low-end and mid-range power on 1/4-3/8 mile oval tracks with little or no bank. Limited carburetion. RPM-Range (2000-6000) Valve Lift (.525 .525) Valve Lash hot (.025 .025) ADV Duration (268 268) .050 Duration (228 228)LC 109 251525 $172 250525 $385**
525-B Great mid-range power on 1/4-3/8 mile oval tracks (banked). Works best with 2-BBL. Carburetion RPM-Range (2500-6500) Valve Lift (.525 .525) Valve Lash hot (.025 .025) ADV Duration (278 278) .050 Duration (238 238) LC 109 251526 $172 250526 $385**
565 Broad power-band on banked 3/8-1/2 mile fast oval tracks. 2-BBL Carburetion. RPM-Range (3500-7000) Valve Lift (.565 .565) Valve Lash hot (.025 .025) ADV Duration (290 290) .050 Duration (242 242) LC 109 251565 $172 250565 $385**
ROLLER Cams
RR-278 Best overall performance on short oval tracks with little or no bank and tight corners. RPM-Range (2500-6500) Valve Lift (.525 .525) Valve Lash hot (.020 .020) ADV Duration (278 278) .050 Duration (230 230) LC 106 251278 $399 250278 $865
RR-288 Sprints and midgets on banked 1/4-3/8 mile oval tracks. Good mid-range power. RPM-Range (3500-7000) Valve Lift (.525 .525) Valve Lash hot (.020 .020) ADV Duration (288 288) .050 Duration (242 242) LC 106 251288 $399 250288 $865
RR-298 Sprints and midgets on high banked 3/8-1/2 mile oval tracks. Good power band. RPM-Range (4000-7500) Valve Lift (.590 .590) Valve Lash hot (.028 .028) ADV Duration (298 298) .050 Duration (254 254) LC 106 251298 $399 250298 $865

Chevy II 6 Cyl. 194/230/250 Engines
* Bronze Dist. Gear & Pushrods Not Included

Grind # Description Cam # Cam
Price 		Kit # Kit
Price
HYDRAULIC Cams
Mile-A-Motr Mileage & maximum lower RPM torque for late model, low compression (8-9.5:1 max) engines. RPM-Range (1000-3800) Valve Lift (.450 .450) Valve Lash hot (.000 .000) ADV Duration (248 248) .050 Duration (194 194) LC 109 231-M $172 231-MK $385*
256-SUPER
CAM 		Best torque & economy in 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 (.492 .492) Valve Lash hot (.000 .000) ADVDuration (256 256) .050Duration (202 202) LC 112 231256 $172 230256 $385*
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 109 231262 $172 230262 $385*
270-HL Good all-around performance. Fair idle. Stock converter. 3.70-4.11 axle ratio. Up to 650 CFM Carb. 9.5:1 compr. RPM-Range (2000-6000) Valve Lift (.510 .510) Valve Lash hot (.000 .000) ADV Duration (270 270) .050 Duration (216 216) LC 109 231270 $172 230270 $385*
Turbo Cycle A Maximum economy/torque. Turbocharges. Up to 7 PSI Boost. Smooth idle. Stock converter. Std. 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 114 231-TA $172 230-TKA $385*
SOLID Cams
525-A Strong low-end and mid-range power on 1/4-3/8 mile oval tracks with little or no bank. Limited carburetion. RPM-Range (2000-6000) Valve Lift (.525 .525) Valve Lash hot (.025 .025) ADV Duration (268 268) .050 Duration (228 228) LC 109 231525 $172 230525 $425*
525-B Great mid-range power on 1/4-3/8 mile oval tracks (banked). Works best with 2/BBL carburetion. RPM-Range (2500-6500) Valve Lift (.525 .525) Valve Lash hot (.025 .025) ADV Duration (278 278) .050 Duration (238 238) LC 109 231526 $172 230526 $425*
565 Broad power-band on banked 3/8-1/2 mile fast oval tracks. 2/BBL carburetion. RPM-Range (3500-7000) Valve Lift (.572 .572) Valve Lash hot (.025 .025) ADV Duration (290 290) .050 Duration (242 242) LC 109 231565 $172 230565 $425*
595-A Best overall cam for high-banked, fast oval (1/2-5/8 mile tracks) or road racing. Good power band for drag race use as well. RPM-Range (4000-7500) Valve Lift (.591 .591) Valve Lash hot (.028 .028) ADV Duration (298 298) .050 Duration (254 254) LC 106 231595 $172 230595 $425*
ROLLER Cams
RR-288 Sprints and midgets on banked 1/4 -3/8 mile oval track. Good mid-range power. RPM-Range (3000-6500) Valve Lift (.525 .525) Valve Lash hot (.020 .020) ADV Duration (288 288) .050 Duration (240 240) LC 106 231288 $525 230288 $1135*
RR-298 Sprints and midgets on high banked 3/8-1/2 mile oval tracks. Good power band. RPM-Range (3500-7000) Valve Lift (.590 .590) Valve Lash hot (.028 .028) ADV Duration (298 298) .050 Duration (254 254) LC 106 231298 $525 230298 $1135*
RR-640 Road race or super modified special. Good power band for drag racing as well. RPM-Range (4000-7500) Valve Lift (.640 .640) Valve Lash hot (.028 .028) ADV Duration (304 304) .050 Duration (264 264) LC 106 231640 $525 230640 $1135*