Clay Smith Hydraulic Roller Cam / Lifter, 284/286 Big Block Chevy 454
454 Chevy Big Block V8, Hydraulic Roller Tappet Camshaft Type, 284 Intake Duration
Build Your KitYou're almost there! This kit has an option or two for you to select. Let us know which options you want for your new kit.
These camshaft / lifter kits are perfect for use with BBC 454 to 470 CID with Air Flow Research 265 or 290 Oval Port heads to max of 6000 rpm. If you have built your teenage dream car and put AFR oval ports on it than there is no doubt this is the cam for you. We recommend a high rise dual plane with the center notched. An 850HP carb would be our choice with a good set of 1 3/4" headers. Don't worry about gear ratio, it will pull anything you put under it. Buy stock in tires. 750 RPM Idle.
- Adv. - 284 / 286
- .050" - 225 / 227
- .200" - 137 / 136
- Lift - .559 / .530
- Centerlines - 103 / 111
- Lobe Sep. - 107
- Includes a set of tie-bar style hydraulic roller lifters
- Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
What's In The Kit
Clay Smith 284/286 CamPart # 1603103.1Qty x 1
Clay Smith Cams Big Block Chevy Street Series Hydraulic Roller LiftersPart # 1257401Qty x 1
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!
Picking the right camshaft can be a challenge. Use our camshaft selection guide to learn how to select the right cam for your street rod's best performance.
Rebuilding an engine? Stay organized by using a valvetrain rocker arm organizer tray while disassembling the valvetrain components. Learn some tips on why you shouldn't mix up lifters if you intend on using them again.
Follow along as we install a Pete Jackson Noisy Gear Drive on a Chevy 454. Learn about the installation process from Speedway Motors Street Tech Kevin.
To get the longest life and most performance out of your engine, it's important to have the valve lash set correctly. Here we show you how to set valve lash on a Small Block Chevy using a hydraulic lift camshaft in just eight steps.
Learn how to re-build a junkyard Small Block Chevy. A step-by-step guide on how to select a SBC, machine the valve guide bosses down, and what parts to use to upgrade to your personal liking.