These camshaft / lifter kits are perfect for use with BBC 477 to 496 with 4.25" stroke with Air Flow Research 290 or 305 heads to a max of 6000 rpm. Welcome to the brotherhood of 625HP on pump gas with over 640#/ft. This cam will produce over 600HP with a single plane and right at 600HP with an air-gap intake. Single plane will make 25 more HP and sacrifice 10#/ft. of torque. Carb of choice is a 950HP 4150. 2" headers are recommended. Be sure you have changed U-joints and upgraded rear gears. Muncie 4 speed, use at your own risk. Ok with power brakes. 900 RPM Idle.
Adv. - 296 / 300. .050" - 237 / 241. .200" - 154 / 151. Lift - .617 / .570. Centerlines - 103 / 111. Lobe Sep. - 107. Includes a set of tie-bar style hydraulic roller lifters.
Clay Smith Hydraulic Cam / Lifter Kit, 296/300 Big Block Chevy 496 Clay Smith Cams
Clay Smith Hydraulic Cam / Lifter Kit, 296/300 Big Block Chevy 496
Sku # 1603105
Mfr. Part # 1603105
Condition
New
Brand
Clay Smith Cams
Sold
Set
Details
Info

These camshaft / lifter kits are perfect for use with BBC 477 to 496 with 4.25" stroke with Air Flow Research 290 or 305 heads to a max of 6000 rpm. Welcome to the brotherhood of 625HP on pump gas with over 640#/ft. This cam will produce over 600HP with a single plane and right at 600HP with an air-gap intake. Single plane will make 25 more HP and sacrifice 10#/ft. of torque. Carb of choice is a 950HP 4150. 2" headers are recommended. Be sure you have changed U-joints and upgraded rear gears. Muncie 4 speed, use at your own risk. Ok with power brakes. 900 RPM Idle.

  • Adv. - 296 / 300
  • .050" - 237 / 241
  • .200" - 154 / 151
  • Lift - .617 / .570
  • Centerlines - 103 / 111
  • Lobe Sep. - 107
  • Includes a set of tie-bar style hydraulic roller lifters
Specs
Sold in Quantity
Set
Camshaft Type
Hydraulic Roller Tappet
Intake Duration
296
Exhaust Duration
300
Intake Duration (.050" Lift)
237
Exhaust Duration (.050" Lift)
241
Lobe Separation
107
Related Items / Suggested Parts
Clay Smith Hydraulic Cam / Lifter Kit, 292/302 Big Block Chevy 496
Clay Smith Hydraulic Cam / Lifter Kit, 292/302 Big Block Chevy 496
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