Description
This Howards Cams 181815-12 SBC Hydraulic Roller Camshaft fits the 305-350 Small Block Chevy from 1987-1998. Howards designed this cam for OE Roller Applications with Stepped Nose (Carbureted), and is recommended for hot street/bracket racing use. It features great mid-range performance, and has a lopey idle. A 10.0:1+ compression ratio and a 3000+ stall speed torque converter are highly recommended.
Howards Cams 181815-12 SBC Hydraulic Roller Camshaft Specs:
- For 305-350 cubic inch Small Block Chevy engines from 1987-1998
- Basic RPM Range: 2400 to 6500
- Valve Lift Intake: .560
- Valve Lift Exhaust: .560
- Intake Duration: 290
- Exhaust Duration: 298
- Intake Duration at .050”: 237
- Exhaust Duration at .050”: 245
- Lobe Separation: 112
- Intake Centerline: 108
- Firing Order: 1-8-4-3-6-5-7-2
- Thrust Button Required: Yes
- Recommended Lifter Set: 91013 Performance
- Recommended Premium Lifter Set: 91113FB Variable Duration
- Recommended Valve Springs: 98213
- Recommended Valve Spring, Retainer and Lock Kit: 98213-K12
Notes: Stock (O.E.) valve springs can NOT be used.
Howards Cams designed this Hydraulic Roller Camshaft for high performance on the street and drag strip.
Howards Roller Cams – From mild to wild, they are the ultimate in performance!
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