About this product
This Comp Cams 12-677-4 SBC Xtreme Energy Mechanical Flat Tappet Camshaft fits the 262-400 Small Block Chevy from 1958-1998. Comp designed this cam for street/strip use, and it features very strong mid-range torque and throttle response with a noticeable idle. A 9.5:1 or higher compression ratio, lower rear end gears and a 2400+ stall speed torque converter are highly recommended.
Comp Cams 12-677-4 SBC Xtreme Energy Mechanical Flat Tappet Camshaft Specs:
- For 262-400 cubic inch Small Block Chevy engines from 1958-1998
- Stock (O.E.) valve springs can NOT be used.
- Basic RPM Range: 2000 to 6400
- Valve Lift Intake: .501
- Valve Lift Exhaust: .510
- Advertised Intake Duration: 274
- Advertised Exhaust Duration: 280
- Intake Duration at .050”: 236
- Exhaust Duration at .050”: 242
- Lobe Separation: 110
- Intake Centerline: 106
- Firing Order: 1-8-4-3-6-5-7-2
- Made in the USA
Comp Cams designed this Mechanical 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.
