Howards Cams offers their hydraulic flat tappet camshafts in a variety of configurations and performance levels for street, strip, and oval track purposes. All Howards flat tappet cams meet strict requirements to ensure the highest quality (and many get packaged and shipped in their unique, reusable, high-impact-plastic cases to ensure the quality reaches your doorstep.) Get the profile you want from mild and smooth to loud and rough with the hydraulic flat tappet camshafts from Howards Cams designed for your application.
- Cam Style:
- Hydraulic flat tappet
- Basic Operating RPM Range:
- 2,800-6,800
- Intake Duration at .050 inch Lift:
- 243
- Exhaust Duration at .050 inch Lift:
- 253
- Duration at .050 inch Lift:
- 243 int./253 exh.
- Advertised Intake Duration:
- 297
- Advertised Exhaust Duration:
- 307
- Advertised Duration:
- 297 int./307 exh.
- Intake Valve Lift with Factory Rocker Arm Ratio:
- 0.508 in.
- Exhaust Valve Lift with Factory Rocker Arm Ratio:
- 0.530 in.
- Valve Lift with Factory Rocker Arm Ratio:
- 0.508 int./0.530 exh.
- Lobe Separation (degrees):
- 108
- Computer-Controlled Compatible:
- No
- Camshaft Gear Attachment:
- 3-bolt
- Valve Springs Required:
- Yes
- Firing Order:
- 1-8-4-3-6-5-7-2
- Camshaft Usage:
- Street/Strip
- Camshaft Manufacturers Description:
- Hydraulic Flat Tappet - Centerline: 104, Pro Street/Brackets, Strong mid & upper end power, 10.0:1+ Compression.
- Quantity:
- Sold individually.
- Make:
- Chevrolet
- Engine Family:
- Chevy small block Gen I
- Engine Sizes:
- 4.3L/262-6.6L/400
- Years:
- 1955-1995
