
Howards Cams 121233-10 BBC Solid Roller Camshaft
This Howards Cams 121233-10 BBC Steel Billet Solid Roller Camshaft fits the 396-502 Big Block Chevy from 1965-1996. Howards designed this cam for street/strip use with a 496+ CID engine, and it works well with nitrous oxide and has a lopey idle. A 13.0:1 or higher compression ratio and a 4500+ stall speed torque converter is highly recommended.
Howards Cams 121233-10 BBC Steel Billet Solid Roller Camshaft Specs:
- For 396-502 cubic inch Big Block Chevy engines from 1965-1996
- Requires Thrust Button
- Requires upgraded distributor gear/fuel pump pushrod
- Basic RPM Range: 4200 to 7800
- Valve Lift Intake: .737
- Valve Lift Exhaust: .737
- Intake Duration: 309
- Exhaust Duration: 319
- Intake Duration at .050”: 277
- Exhaust Duration at .050”: 287
- Lobe Separation: 110
- Intake Centerline: 106
- Firing Order: 1-8-4-3-6-5-7-2
- Recommended Lifter Set: 91135 RaceMax
- Recommended Premium Lifter Set: 91198 ProMax Direct Lube
- Recommended Valve Springs: 98825
- Made in the USA
Notes: Stock (O.E.) valve springs can NOT be used.
Howards Cams designed this solid roller camshaft for high performance on the street and drag strip.
Howards Roller Cams – From mild to wild, they are the ultimate in performance!
Original: $496.99
-65%$496.99
$173.95Howards Cams 121233-10 BBC Solid Roller Camshaft
This Howards Cams 121233-10 BBC Steel Billet Solid Roller Camshaft fits the 396-502 Big Block Chevy from 1965-1996. Howards designed this cam for street/strip use with a 496+ CID engine, and it works well with nitrous oxide and has a lopey idle. A 13.0:1 or higher compression ratio and a 4500+ stall speed torque converter is highly recommended.
Howards Cams 121233-10 BBC Steel Billet Solid Roller Camshaft Specs:
- For 396-502 cubic inch Big Block Chevy engines from 1965-1996
- Requires Thrust Button
- Requires upgraded distributor gear/fuel pump pushrod
- Basic RPM Range: 4200 to 7800
- Valve Lift Intake: .737
- Valve Lift Exhaust: .737
- Intake Duration: 309
- Exhaust Duration: 319
- Intake Duration at .050”: 277
- Exhaust Duration at .050”: 287
- Lobe Separation: 110
- Intake Centerline: 106
- Firing Order: 1-8-4-3-6-5-7-2
- Recommended Lifter Set: 91135 RaceMax
- Recommended Premium Lifter Set: 91198 ProMax Direct Lube
- Recommended Valve Springs: 98825
- Made in the USA
Notes: Stock (O.E.) valve springs can NOT be used.
Howards Cams designed this solid 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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Product Information
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Shipping & Returns
Description
This Howards Cams 121233-10 BBC Steel Billet Solid Roller Camshaft fits the 396-502 Big Block Chevy from 1965-1996. Howards designed this cam for street/strip use with a 496+ CID engine, and it works well with nitrous oxide and has a lopey idle. A 13.0:1 or higher compression ratio and a 4500+ stall speed torque converter is highly recommended.
Howards Cams 121233-10 BBC Steel Billet Solid Roller Camshaft Specs:
- For 396-502 cubic inch Big Block Chevy engines from 1965-1996
- Requires Thrust Button
- Requires upgraded distributor gear/fuel pump pushrod
- Basic RPM Range: 4200 to 7800
- Valve Lift Intake: .737
- Valve Lift Exhaust: .737
- Intake Duration: 309
- Exhaust Duration: 319
- Intake Duration at .050”: 277
- Exhaust Duration at .050”: 287
- Lobe Separation: 110
- Intake Centerline: 106
- Firing Order: 1-8-4-3-6-5-7-2
- Recommended Lifter Set: 91135 RaceMax
- Recommended Premium Lifter Set: 91198 ProMax Direct Lube
- Recommended Valve Springs: 98825
- Made in the USA
Notes: Stock (O.E.) valve springs can NOT be used.
Howards Cams designed this solid roller camshaft for high performance on the street and drag strip.
Howards Roller Cams – From mild to wild, they are the ultimate in performance!











