Thumpr Hydraulic Flat Tappet Camshaft <br> 67-69 Buick 400, 430, 455 c.i. 8 Cylinder

Description:

Big Mutha' Thumpr 243/257 Hydraulic Flat Cam for Buick 400, 430, 455. Street/strip, needs 9.5:1 compression, 2800+ stall, intake, Gears and headers, very rough idle.

Features:

Camshaft Series: Thumpr

Lobe Separation: 107 DD

Intake Valve Lift: 0.517 IN

Exhaust Valve Lift: 0.502 IN

Lifters Included: No

Valve Springs Required: Yes

Assembly Lubricant Included: Yes

Camshaft Material: Cast Iron

Engine Family: Buick 400, 430, 455 c.i. 8 Cylinder (1967-1976)

Cam and Lifter Kit Upgrade: CL96-602-5

K-Kit Upgrade: K96-602-5

Usage: Street/Strip

Lifter Type: Hydraulic Flat Tappet

Cam Type: Hydraulic Flat Tappet

Grind Number: 295TH7

Grind Number: 295TH7

Basic Operating RPM Range: 2,500-6,400

Intake Duration at .050 Inch Lift: 243 DD

Exhaust Duration at .050 inch Lift: 257 DD

Advertised Intake Duration: 295 DD

Advertised Exhaust Duration: 313 DD

Package Includes:

Engine Camshaft

Compatible With:

1970-1975 Buick LeSabre

1971-1973 Buick Centurion

1973-1974 Buick Century Regal

1967-1974 Buick Electra Riviera

1970-1974 Buick Estate Wagon

1967-1968,1970-1971 Buick Skylark

1968-1969 Buick GS 400

1970-1972 Buick GS 455

1967-1970 Buick Wildcat

1968-1970 Buick Sportwagon

1967 Buick Gran Sport