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 SB Chrysler Cams are manufactured on dedicated high precision cam grinding machines.

All Howards™ 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 Torque Cams - High Performance Street & Strip, bracket racing and off road grinds. Delivers a good balance of power over a broad RPM range. Stump pulling power, yet not radical enough to be a pain for the gain.
Max Factory Cams - OEM High performance cams to improve all around performance. Many OEM factory replacement grinds available. Good fuel economy.
Max Efficiency Cams - Low-end torque and good mileage cams. Computer friendly high vacuum grinds. Smooth idle with superior drivability and economy.
Max Effort Cams - Race only profiles. Computer designed, dyno and track proven to produce the highest horsepower and torque for a given engine combination. Howards™ Cams has numerous profiles available.

Howards Cams # 710011	Max Efficiency 1200-4600 rpm, .422 int .444 exh. Lift, Duration at .050" 204 int 214 exh
Howards Cams # 710021	Max Factory 1400-4400 rpm, .420 int .420 exh. Lift, Duration at .050" of 208 int 208 exh
Howards Cams # 710031	Max Efficiency 1500-5000 rpm, .444 int .467 exh. Lift, Duration at .050" of 214 int 224 exh
Howards Cams # 710931	Max Efficiency 1500-5200 rpm, .447 int .447 exh. Lift, Duration at .050" of 214 int 214 exh
Howards Cams # 711021	Max Efficiency 1500-4800 rpm, .442 int .442 exh. Lift, Duration at .050" of 214 int 214 exh
Howards Cams # 712221	Max Torque 2200-5500 rpm, .453 int .453 exh. Lift, Duration at .050" of 226 int 226 exh
Howards Cams # 712231	Max Torque 2500-6000 rpm, .480 int .480 exh. Lift, Duration at .050" of 231 int 231 exh

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Howards Cams

Howards Max Efficiency Chrysler SB Cam

Part #: 710011-12

Chrysler SB 1967-91, 318 CID and 1964-92, 273, 340, 360 CID
1200-4600 rpm, .422 int .444 exh. Lift, Duration at .050" 204 int 214 exh, Advertised 278 int 288 exh with a 112 lobe angle

Howards Hydraulic Chrysler SB Max Factory Camshaft

Part #: 710021-11

Chrysler SB 1967-91, 318 CID and 1964-92, 273, 340, 360 CID
Max Factory 1400-4400 rpm, .420 int .420 exh. Lift, Duration at .050" of 208 int 208 exh, Advertised 280 int 280 exh with a 111 lobe angle

Howards Hydraulic Chrysler SB Max Efficiency Camshaft

Part #: 710031-12

Chrysler SB 1967-91, 318 CID and 1964-92, 273, 340, 360 CID
Max Efficiency 1500-5000 rpm, .444 int .467 exh. Lift, Duration at .050" of 214 int 224 exh, Advertised 288 int 298 exh with a 112 lobe angle

Howards Hydraulic Chrysler SB Max Efficiency Camshaft

Part #: 710931-12

Chrysler SB 1967-91, 318 CID and 1964-92, 273, 340, 360 CID
Max Efficiency 1500-5200 rpm, .447 int .447 exh. Lift, Duration at .050" of 214 int 214 exh, Advertised 292 int 292 exh with a 112 lobe angle

Howards Hydraulic Chrysler SB Max Efficiency Camshaft

Part #: 711021-10

Chrysler SB 1967-91, 318 CID and 1964-92, 273, 340, 360 CID
Max Efficiency 1500-4800 rpm, .442 int .442 exh. Lift, Duration at .050" of 214 int 214 exh, Advertised 286 int 286 exh with a 110 lobe angle

Howards Hydraulic Chrysler SB Max Torque Camshaft

Part #: 712221-08

Chrysler SB 1967-91, 318 CID and 1964-92, 273, 340, 360 CID
2200-5500 rpm, .453 int .453 exh. Lift, Duration at .050" of 226 int 226 exh, Advertised 296 int 296 exh with a 108 lobe angle

Howards Hydraulic Chrysler SB Max Torque Camshaft

Part #: 712231-09

Chrysler SB 1967-91, 318 CID and 1964-92, 273, 340, 360 CID
2500-6000 rpm, .480 int .480 exh. Lift, Duration at .050" of 231 int 231 exh, Advertised 286 int 286 exh with a 109 lobe angle