Howards Cams 112581-12 SBC Hydraulic Flat Tappet Camshaft

This Howards Cams 112581-12 SBC Hydraulic Flat Tappet Camshaft fits 262-400 cubic inch Small Block Chevy engines from 1955-1998. Howards designed this camshaft for hot street use, and it features a good idle and throttle response. A 4 barrel carburetor, headers and 2000+ stall speed torque converter are highly recommended. 

Howards Cams 112581-12 SBC Hydraulic Flat Tappet Camshaft Specs:

• For Small Block Chevy 262-400 engines from 1955-1998
• Basic RPM Range: 1600 to 6000
• Valve Lift Intake: .465
• Valve Lift Exhaust: .470
• Intake Duration: 279
• Exhaust Duration: 289
• Intake Duration at .050”: 225
• Exhaust Duration at .050”: 235
• Lobe Separation: 112
• Intake Centerline: 108
• Firing Order: 1-8-4-3-6-5-7-2
• Recommended Lifter Set: 91111 Performance
• Recommended Premium Lifter Set: 91112 Max Effort
• Recommended Valve Springs: 98214
• Recommended Valve Spring, Retainer and Lock Kit: 98214-K11
• Made in the USA

Note: Stock (O.E.) valve springs can NOT be used

Howards Cams designed this Flat Tappet camshaft for street performance. This camshaft features a 112 degree lobe separation to help maintain vacuum.

Howards Cams - For the ultimate in performance!