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Magnum/Drag Race 253/253 Hydraulic Flat Cam for Pontiac 265-455; Racy idle. Bracket racing cam. Needs 10.5:1 compression and 3500+ stall. Low gear ratio.

Magnum/Drag Race 244/244 Hydraulic Flat Cam for Chevrolet Small Block; Great for street machines. Needs 2500+stall, headers and gears. Rough idle.

Magnum 224/224 Solid Flat Cam for Pontiac 265-455; Good idle, strong mid-range torque. Excellent cam for mild street engines.

Magnum 224/224 Solid Flat Cam for Chevrolet Big Block 396-454; Good for everyday driving. Works well with headers. In 396-402c.i. use slightly lower gears. Slightly rough idle.

Magnum/Drag Race 253/253 Hydraulic Flat Cam for Chevrolet Small Block; Pro Street/bracket, limited street driving. Intake, gears, 3500+ stall. Racy idle. 10.5:1 compression.

Magnum 231/231 Hydraulic Flat Cam for Chrysler 383-440; For 9:1-10:1 compression. 383 needs 2500 stall. 440 needs 2000+ stall. Use 700-800 CFM carburetor, headers, 3.91+ gears.

Magnum 236/236 Solid Flat Cam for Pontiac 265-455; Mild idle, street machine cam. Needs 9.5:1+ compression, 2000+ stall and headers.

Magnum 236/236 Solid Flat Cam for Chevrolet Big Block 396-454; Excellent for street machines. Use 2500+ stall, headers, 9:1+ compression and lower gears. Rough idle.

Magnum 244/244 Hydraulic Flat Cam for Chrysler 383-440; Serious street/strip effort. 383 needs 3000-3500+ stall. 440 needs 2500-3000. 750 to 800 CFM carb and headers, 3.91+ gear.

Magnum 248/248 Solid Flat Cam for Pontiac 265-455; Rough idle, needs 10:1+ compression ratio. Maximum street performance. Use 3000+ stall and low gear.

Magnum 248/248 Solid Flat Cam for Chevrolet Big Block 396-454; Good for street/strip cars. 3000+ stall or 4 speed. 10:1+ compression, headers and low gears. Very rough idle.

Magnum 253/253 Hydraulic Flat Cam for Chrysler 383-440; Pro Street. 383 needs 3500-3700+ stall. 440 needs 3000-3300+ stall. 850 CFM carb, 10:1+ compression. Headers and good int, 3.90-4.30 gear.