About this product
This Comp Cams 34-601-5 BBF 287TH7 Mutha' Thumpr Hydraulic Flat Tappet Camshaft fits the 429-460 Big Block Ford from 1968-1995. Comp designed this cam for high performance street/strip use, and it features strong torque and a rough idle. A 9.0:1 or higher compression ratio, intake, gears, headers and a 2600+ stall speed torque converter are highly recommended.
Comp Cams 34-601-5 BBF 287TH7 Mutha' Thumpr Hydraulic Flat Tappet Camshaft Specs:
- For 429-460 cubic inch Big Block Ford engines from 1968-1995
- Basic RPM Range: 2200 to 6100
- Valve Lift Intake: .519
- Valve Lift Exhaust: .503
- Intake Duration: 286
- Exhaust Duration: 304
- Intake Duration at .050”: 234
- Exhaust Duration at .050”: 249
- Lobe Separation: 107
- Intake Centerline: 102
- Lobes designed to take maximum advantage of .875” diameter lifter
- Firing Order: 1-5-4-2-6-3-7-8
- Made in the USA
Notes: Stock (O.E.) valve springs can NOT be used.
Comp Cams designed this Hydraulic Flat Tappet camshaft for high performance on the street and drag strip.
Comp Cams – The Absolute Leader In Valve Train Technology!
Description supplied by Winners Circle through its current Shopify listing. Product, performance, and health claims are the seller’s and have not been independently verified by StorkScout.






