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    COMP Cams Thumpr 227/241 Hydraulic Flat Cam for Chevrolet Small Block 12-600-4

    Vendor: COMP Cams
    SKU: BDQQ_12-600-4
    Regular Price $288.95
    Free Shipping on Orders Over $99
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    Thumpr 227/241 Hydraulic Flat Cam for Chevrolet Small Block


    COMP Cams Thumpr 227/241 Hydraulic Flat Cam for Chevrolet Small Block 12-600-4


    Specifications:

    Camshaft Series Thumpr
    Usage Street/Performance
    Cam Type Hydraulic Flat Tappet
    Grind Number 279TH7
    Basic Operating RPM Range 2,000-5,800
    Intake Duration at .050 Inch Lift 227
    Exhaust Duration at .050 inch Lift 241
    Advertised Intake Duration 279
    Advertised Exhaust Duration 297
    Lobe Separation 107
    Intake Valve Lift 0.479
    Exhaust Valve Lift 0.465
    Lifters Included No
    Valve Springs Required Yes
    Assembly Lubricant Included Yes
    Camshaft Gear Attachment 3-Bolt
    Camshaft Material Cast Iron
    Cam, Lifter and Gear Drive Upgrade GK12-600-4
    K-Kit Upgrade K12-600-4
    Lifter Type Hydraulic Flat Tappet
    Cam and Lifter Kit Upgrade CL12-600-4
    California Proposition 65 WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
    Engine Family Chevrolet 262-400 c.i. 8 Cylinder (1958-1998)
    Amazon ASIN B001O0C4DQ
    C.A.R.B. Exempt for Racing and Off-Road Only Vehicles? Yes, but must be a race/competition only vehicle.
    C.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967? Yes, but must meet tailpipe emission standards for year of vehicle.
    C.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965? Yes, but must meet tailpipe emission standards for year of vehicle.
    C.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967? Yes, but must meet tailpipe emission standards for year of vehicle.
    C.A.R.B. Exempt for On-Road Vehicles? No
    C.A.R.B. Exemption Reason N/A
    C.A.R.B. E.O. Number N/A
    Title Thumpr 227/241 Hydraulic Flat Cam for Chevrolet Small Block
    10602 279TH7
    Description_APS 5.
    Description_APS 3
    Description_APS 5.
    Description_APS 7
    Description_APS 6.
    Description_APS 0 and 6.
    Description_APS 2.
    Description_APS 1955-1957 Chevrolet 265 engines require a groove on the 5th cam journal for oiling.
    Description_APS Contact us for more information.
    Description_EXT High performance street
    Description_EXT stock converter ok
    Description_EXT best with 2000+ converter and gears. Choppy/thumping idle.
    Description_DEF Engine Camshaft
    Description_SHO 279TH7
    Description_INV Thumpr 227/241 Hyd Flat Cam SBC
    Description_KSW 265
    Description_KSW 283
    Description_KSW 307
    Description_KSW 302
    Description_KSW 305
    Description_KSW 327
    Description_KSW 350
    Description_KSW 383
    Description_KSW 400
    Description_KSW 427
    Description_KSW L46
    Description_KSW L48
    Description_KSW L65
    Description_KSW LM1
    Description_KSW LT-1
    Description_KSW L82
    Description_KSW L81
    Description_KSW LS9
    Description_KSW L83
    Description_KSW L98
    Description_KSW L05
    Description_KSW LG3
    Description_KSW LG4
    Description_KSW LT1
    Description_KSW LT4
    Description_KSW Camaro
    Description_KSW Corvette
    Description_KSW Chevelle
    Description_KSW Stingray
    Description_KSW Silverado
    Description_KSW C10
    Description_KSW Firebird
    Description_KSW Chevrolet
    Description_KSW Chevy
    Description_KSW Small Block Chevy
    Description_KSW Caprice
    Description_KSW Malibu
    Description_KSW Impala
    Description_KSW Nova
    Description_KSW 355
    Description_KSW GEN1
    Description_KSW Monte Carlo
    Description_KSW S10
    Description_DES Thumpr 227/241 Hydraulic Flat Cam for Chevrolet Small Block
    Description_APS Fits Chevrolet GEN 1 Small Blocks including the 262
    Description_APS 265
    Description_APS 267
    Description_APS 283
    Description_APS 302
    Description_APS 305
    Description_APS 307
    Description_APS 327
    Description_APS 350 and 400.
    Description_APS Does not fit LT1/LT4
    Description_APS or factory roller Small Blocks built from 1985 and newer.
    Description_APS GM gradually added roller camshafts to 305's and 350's from the mid 80's forward.
    Description_APS Camaros/Firebirds/Corvettes received the roller cams early
    Description_APS but many trucks and SUV's had flat tappet cams until the mid 90's.
    Description_APS Remove the intake or timing cover to confirm whether the block is a factory roller or flat tappet.
    Description_APS Does not fit the LS1
    Description_APS LS2
    Description_APS LS3 or any LS-based 4.
    Description_APS 8


    This Part Fits:

    Year Make Model Submodel Notes
    1957 Chevrolet Bel Air Base
    Shipping Policy

    Cancellations

    Once an order is placed, in most cases it cannot be cancelled as they are sent for fulfillment almost immediately after receiving the order. If there is an ability to cancel the order, the buyer is responsible for the transaction fees charged from the transaction.

    Processing Time

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    Tracking Information

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    Delivery Time

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    International Shipping

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    Shipping Address

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    Return Policy

    Return Period

    You have up to 30 days from the date of purchase to return eligible items.

    Condition of the Item

    A 20% restocking fee will apply to cover inspection, processing, and repackaging costs.

    Items must be returned in new, unused condition and include all original packaging, hardware, and documentation.

    Return Shipping

    The cost of return shipping is the responsibility of the buyer unless the item was received damaged, defective, or incorrect.

    Return Authorization

    Before returning any item, please contact our customer service team to obtain a Return Merchandise Authorization (RMA) number. Items returned without an RMA may not be accepted.

    Refund Processing

    Once the returned item is received and inspected, we will initiate the refund process. Please allow 2–5 days for the refund to be processed and credited to the original payment method. Bank processing times may vary.

    Damaged or Defective Items

    If you receive a damaged, defective, or incorrect item, contact us immediately for assistance. We’ll work quickly to resolve the issue or send a replacement.

    Final Sale Items

    Certain items may be marked as Final Sale and are not eligible for return or exchange. These will be clearly noted on the product page.

    Disclaimer

    All products are sold for off-road use only unless otherwise specified. Buyer assumes all responsibility for installation and operation. Seller is not liable for any incidental, indirect, or consequential damages — including engine failure, labor costs, or vehicle downtime — resulting from the use of any product sold.

    By making a purchase from Berry Performance Sales, you acknowledge and agree to abide by the terms and conditions of these Policies.

    For any questions or concerns, please contact us — we’re always happy to help.

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