Comp Cams 51-600-5 Pontiac Thumpr Hydraulic Flat Tappet Camshaft 279TH7

This Comp Cams 51-600-5 Pontiac 279TH7 Thumpr Hydraulic Flat Tappet Camshaft fits the 265-455 Pontiac engines from 1955-1981. Comp designed this cam for high performance street/strip use, and it features strong low-end torque and a choppy/thumping idle. A 9.0:1 or higher compression ratio, gears and a 2400+ stall speed torque converter are highly recommended.

Comp Cams 51-600-5 Pontiac 279TH7 Thumpr Hydraulic Flat Tappet Camshaft Specs:

• For 265-455 cubic inch Pontiac engines from 1955-1981
• Stock (O.E.) valve springs can NOT be used.
• Basic RPM Range: 2000 to 5800
• Valve Lift Intake: .478
• Valve Lift Exhaust: .465
• Advertised Intake Duration: 279
• Advertised Exhaust Duration: 297
• Intake Duration at .050”: 227
• Exhaust Duration at .050”: 241
• Lobe Separation: 107
• Intake Centerline: 102
• Firing Order: 1-8-4-3-6-5-7-2
• Made in the USA

Comp Cams designed this Hydraulic Flat Tappet camshaft for high performance on the street and drag strip.

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