Classic Thumpr Hydraulic Flat Tappet Camshaft <br> 58-65 Chevy 348-409

Description:

Classic Mutha' Thumpr 234/249 Hydraulic Flat Cam for Chevrolet 348-409. High performance street/strip, needs 9:1 compression, 2500+ stall, intake, Gears and headers, rough idle.

Features:

Camshaft Series: Classic Thumpr

Intake Valve Lift: 0.525 IN

Exhaust Valve Lift: 0.509 IN

Lifters Included: No

Valve Springs Required: Yes

Assembly Lubricant Included: Yes

Camshaft Gear Attachment: 3-Bolt

Camshaft Material: Cast Iron

Engine Family: Chevrolet 348-409 c.i. 8 Cylinder (1958-1965)

Lifter Type: Hydraulic Flat Tappet

Cam Type: Hydraulic Flat Tappet

Grind Number: 287TH7

Grind Number: 287TH7

Basic Operating RPM Range: 2,000-5,500

Intake Duration at .050 Inch Lift: 234 DD

Exhaust Duration at .050 inch Lift: 249 DD

Advertised Intake Duration: 286 DD

Advertised Exhaust Duration: 304 DD

Lobe Separation: 107 DD

Package Includes:

Engine Camshaft