Clay Smith Hydraulic Cam / Lifter Kit, 296/300 Big Block Chevy 496
496 Chevy Big Block V8, Hydraulic Roller Tappet Camshaft Type, 296 Intake Duration
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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
What's In The Kit
Clay Smith 296/300 CamPart # 1603105.1Qty x 1
Clay Smith Cams Big Block Chevy Street Series Hydraulic Roller LiftersPart # 1257401Qty x 1
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Q & A
What happens when you advance or retard a camshaft? In this tech article, we explain the pros and cons of installing your cam straight up, advancing or retarding.
Learn the basics to engine performance like; how does a cam work? What is Valve lift, duration, lobe separation angle, and cam profiles? Afterwords selecting the right camshaft will be less of a guessing game!