All hydraulic and mechanical Howards Cams flat tappet camshafts are 100% Rockwell checked and Parkerized to ensure the highest quality control standards available anywhere.

Howards Hydraulic Max Efficiency BB Chevy Cams are manufactured on dedicated high precision cam grinding machines.

All Howards Max Efficiency Cams are packaged and shipped in there unique, hard, high impact plastic reusable cases. This ensures that the high quality camshaft that went into the case comes out in the same condition, when delivered, as when it was packed.

Max Efficiency Cams - Low-end torque and good mileage cams. Computer friendly high vacuum grinds. Smooth idle with superior drivability and economy.

Howards Camshafts:

100% Rockwell Checked
Super Quality
Hard Protective Packaging

Howards Cams # 120021	800-4000 rpm .460 int .460 exh lift, Duration @.050 of 204 int 208 exh Advertised 282 int 292 exh,
Howards Cams # 120931	1500-5000 rpm .506 int .506 exh lift, Duration @.050 of 214 int 214 exh Advertised 292 int 292 exh

Do you need Howards Cams
Performance Hydraulic Lifters or Max Effort Hydraulic Lifters also?

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Howards Cams

Howards Hydraulic Max Efficiency Chevy BB 396-502 Non Hyd. Roller Cam

Part #: 120021-12

800-4000 rpm .460 int .460 exh lift, Duration @.050 of 204 int 208 exh Advertised 282 int 292 exh.
This Howards Max Efficiency cam has Exceptional low end torque. Good in Pick Ups, 4x4s and RVs

Howards Hydraulic Max Efficiency Chevy BB 396-502 Non Hyd. Roller Cam

Part #: 120931-12

1500-5000 rpm .506 int .506 exh lift, Duration @.050 of 214 int 214 exh Advertised 292 int 292 exh.
This Howards Max Efficiency cam has a Good idle, this is a great Street, Off-Road and Towing cam. Good fuel efficiency