Big Mutha" Thumpr Hydraulic Flat Tappet Camshaft Complete Kit Lift .517"/.502" Duration 295/313 RPM Range 2500-6400

Name: Big Mutha" Thumpr Hydraulic Flat Tappet Camshaft Complete Kit Lift .517"/.502" Duration 295/313 RPM Range 2500-6400
Brand: COMP CAMS
SKU: 249-K96-602-5
Price: 807.95 USD
Availability: InStock

^$807⁹⁵

Ships on 09/15/2026

Lowest Price Guarantee

Buick 400, 430, 455 c.i. 8 CYL. 1967-1976

Lift

Duration

RPM Range

Complete 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; GS 455; 400; 430; 455; Buick 455

Street/strip, needs 9.5:1compression, 2800+ stall, intake, gears and headers, very rough 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.

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Part TypeCamshaft Kit

BrandCOMP CAMS

Package Height5.0

Package Width10.5

Package Length26.0

Weight25.0 PG

Part CategoryPerformance Parts

UsageStreet/Strip

Intake Valve Lift0.494 in (12.548 mm)

Int. Duration Advertised (Deg)279

Exh. Duration @ .050 In. (Deg)241