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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-CL92-602-5
Big Mutha Thumpr Hydraulic Flat Tappet Camshaft & Lifter Kit Lift .517"/.502" Duration 295/313 RPM Range 2500-6400
$48995
Ships on 10/23/2026
Lowest Price GuaranteeBuick 350 c.i. 8 CYL. 1968-1980
- Big Mutha Thumpr Hydraulic Flat Tappet Camshaft & Lifter Kit
- Camshaft And Lifter Kit
- 3 Grinds To Fit All Of Your Performance Needs
- Long Exhaust Duration
- Produces A Powerful Hard-Hitting Exhaust Note
- Excellent Horsepower Gains And Broad Torque Curve
- Delivers Real Seat Of The Pants Performance
- Designed For Use w/Latest In ValveTrain Components
- 1 Year Limited Warranty
Buick; Buick 350; GS350; Stage 1; Skylark; GS; 350; Grand Sport
Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle.
Lift .517"/.502"
Duration 295/313
RPM Range 2500-6400
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 Kit
BrandCOMP CAMS
Package Height3.0
Package Width5.5
Package Length26.0
Weight13.3 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)257
Cam StyleHydraulic flat tappet
Grind Number295TH7
Exh. Duration Advertised (Deg)313
Locks IncludedNo
Engine Make/SizeBuick 350
Retainers IncludedNo
Intake Valve Lift With Factory Rocker Arm Ratio (I0.517
Int. Duration @ .050 In. (Deg)243
Assembly Lubricant IncludedYes
Basic Operating Rpm Range2,500-6,400
Pushrods IncludedNo
Gaskets IncludedNo
Rocker Arms IncludedNo
Intake Valve Lift0.517 in (13.132 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)295
Lobe Separation (Deg)107
Rpm Range2500-6400
Lifter StyleHydraulic flat tappet
Advertised Duration295 int./313 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.502
Valve Springs IncludedNo
UsageStreet/Strip
Valve Lift With Factory Rocker Arm Ratio0.517 int./0.502 exh.
QuantitySold as a kit
Valve Stem Seals IncludedNo
Exhaust Valve Lift0.502 in (12.751 mm)
Advertised Intake Duration295
Intake Duration At 050 Inch Lift243
Exhaust Duration At 050 Inch Lift257
Timing Chain And Gears IncludedNo
Advertised Exhaust Duration313
Lifter TypeHydraulic Flat Tappet
Duration At 050 Inch Lift243 int./257 exh.
Valve Springs RequiredYes
Lifters IncludedYes
Vendor Part NumberCL92-602-5
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
