Thumpr Hydraulic Flat Tappet Camshaft Lift .494"/.480" Duration 279/297 RPM Range 2000-5800
InfoVehicle Info Needed
COMP CAMSPART NUMBER: 249-96-600-5

Thumpr Hydraulic Flat Tappet Camshaft Lift .494"/.480" Duration 279/297 RPM Range 2000-5800

$32595
ShippingShips on 09/15/2026
Lowest PriceLowest Price Guarantee

Buick 400, 430, 455 c.i. 8 CYL. 1967-1976
    Thumpr Hydraulic Flat Tappet Camshaft
    Lift .494"/.480"
    Duration 279/297
    RPM Range 2000-5800

  • 3 Grinds To Fit All Of Your Performance Needs
  • Unique Design
  • Maximizes Sound And Mid To High RPM Power
  • Ensures Safe Piston-To-Valve Clearance
  • Proven To Generate 25+ RWHP Gains
  • Does Not Compromise Durability
  • 1 Year Limited Warranty

    Buick 400; 430; 455; Buick V8


    High performance street, stock converter ok, best with 2000+ converter and gears. Choppy/thumping idle.

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART

Part TypeCamshaft
BrandCOMP CAMS
Package Height2.75
Package Width6.5
Package Length12.0
Weight10.01 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)241
Cam StyleHydraulic flat tappet
Grind Number279TH7
Exh. Duration Advertised (Deg)297
Engine Make/SizeBuick 400-455
Intake Valve Lift With Factory Rocker Arm Ratio (I0.494
Int. Duration @ .050 In. (Deg)227
Basic Operating Rpm Range2,000-5,800
Intake Valve Lift0.494 in (12.548 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)279
Lobe Separation (Deg)107
Rpm Range2000-5800
Advertised Duration279 int./297 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.48
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.494 int./0.480 exh.
QuantitySold individually
Exhaust Valve Lift0.48 in (12.192 mm)
Advertised Intake Duration279
Intake Duration At 050 Inch Lift227
Exhaust Duration At 050 Inch Lift241
Advertised Exhaust Duration297
Lifter TypeHydraulic Flat Tappet
Duration At 050 Inch Lift227 int./241 exh.
Valve Springs RequiredYes
Vendor Part Number96-600-5
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
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