COMP Cams Classic Mutha' Thumpr 227/241 Hydraulic Flat Cam Buick 364, 401, 425 Nailhead 91-601-5

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Specifications:

BrandCOMP Cams
Part Number91-601-5
GTIN00036584213284
Lifter TypeHydraulic Flat Tappet
Grind Number287th7
Exhaust Valve Lift0.475 in
Intake Valve Lift0.49 in
Valve Springs RequiredYes
Exhaust Duration At .050 Inch Lift249 dd
Intake Duration At .050 Inch Lift235 dd
Advertised Exhaust Duration305 dd
Advertised Intake Duration287 dd
Cam TypeHydraulic Flat Tappet
Lobe Separation107 dd
Assembly Lubricant IncludedYes
Basic Operating Rpm Range2,200-6,100
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 Federally Certified Vehicles Manufactured Before 1967?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. Exempt For Racing And Off-road Only Vehicles?Yes, But Must Be A Race/competition Only Vehicle.
Camshaft MaterialCast Iron
Camshaft SeriesClassic Thumpr
Engine FamilyBuick Nailhead 364, 401, 425 C.i. 8 Cylinder (1957-1966)
Lifters IncludedNo
UsageStreet/strip

Specifications:

Description:

Classic Mutha' Thumpr 227/241 Hydraulic Flat Cam Buick 364, 401, 425 Nailhead. Street/strip, needs 9:1 compression, 2500+ stall, intake, Gears and headers, very rough idle.

COMP Cams Classic Mutha' Thumpr 227/241 Hydraulic Flat Cam Buick 364, 401, 425 Nailhead 91-601-5

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Specifications:

Specifications:

Description:

COMP Cams Classic Mutha' Thumpr 227/241 Hydraulic Flat Cam Buick 364, 401, 425 Nailhead 91-601-5

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Specifications: