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7145230530
  • HR-9600-7-CSR BBC 477 to 496 with 4.25” stroke with AFR 290 or 305 heads to a max of 6200 rpm

    • HR-9600-7-CSR BBC 477 to 496 with 4.25” stroke with AFR 290 or 305 heads to a max of 6200 rpm

    Clay Smith Cams

    $462.65
    (1 review) Write a Review
    SKU:
    160-3105
    Weight:
    11.00 LBS
    Width:
    25.00 (in)
    Height:
    5.00 (in)
    Depth:
    4.00 (in)
    Shipping:
    Calculated at Checkout
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    Product Description

    BBC 477 to 496 with 4.25” stroke with AFR 290 or 305 heads to a max of 6200 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.  Carburetor of choice is a 950HP 4150.   2” headers are recommended.  Be sure you have change driveshaft yokes and upgraded rear gears.   Muncie 4 speed, use at your own risk.

    900 Idle RPM

    • Part. No. 160-3105  Grind # HR-9600-7-CSR             
    •  Advertised Duration -  296/300                            
    •  Duration @ .050 - 237/241   
    • .200” Duration  154/151      
    •  Lift   .620/.569                        
    • Centers     103/111                           
    •  LSA 107

    *** May Require a Vacuum Canister on Some Applications

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    • 5
      496 BBC Cam

      Posted by David Ross on 4th May 2023

      You guys weren’t joking when you you said it would it would bring my car to life. It’s a handful on the street for sure!!!