Street/strip use. 3500+ stall or 4 speed, 4.10 gear and 10.5:1 compression. Very rough idle.

Pro Street/bracket, good intake, headers, gear, 3300+ stall.

Xtreme Energy 240/246 Hydraulic Flat Cam for Ford 221-302

Xtreme Energy 230/236 Hydraulic Flat Cam for Ford 221-302

Xtreme Energy 224/230 Hydraulic Flat Cam for Ford 221-302

Excellent response, good mid-range, stock converter, 3.23-4.10 gear.

Xtreme Energy 212/218 Hydraulic Flat Cam for Ford 221-302

Xtreme Energy 206/212 Hydraulic Flat Cam for Ford 221-302

Broad power. 2500+ stall, low gears, 9.5:1 compression and headers. Rough idle. Off shore type boat. Strong performance, rough idle.

Good for daily driven performance vehicles. Mid-range power. Slightly lower gears. Mild rough idle. Single or dual engines. Best for inboard/outboard. Noticeable idle.

Ideal for use with mainly stock components like rocker arms, intake manifolds, cylinder heads, compression ratio, torque converters and rear gear ratios, the High Energy camshaft grind family is a great choice for street performance applications...

Good for low RPM torque in 289-302. Good towing in 302 automatic. Smooth idle.

289c.i. with automatic, stock gears. Good torque and economy, very smooth idle.