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Magnum 224/224 Hydraulic Flat Cam SK-Kit for Pontiac 265-455; Fair idle, good mid-range torque. Can use stock torque converter, best with 2000+ stall. Daily performance use.

Magnum 224/224 Solid Flat Cam and Lifter Kit 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 230/230 Hydraulic Flat Cam SK-Kit for Pontiac 265-455; Choppy idle, increased compression advised. Needs 2500+ stall and lower gear, use headers.

Magnum 236/236 Solid Flat Cam and Lifter Kit 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 SK-Kit for Pontiac 265-455; Rough idle, performance usage. Increased compression required. Needs 3000+ stall and 3.73 or lower gears.

Magnum 248/248 Solid Flat Cam and Lifter Kit 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/Drag Race 253/253 Hydraulic Flat Cam SK-Kit for Pontiac 265-455; Racy idle. Bracket racing cam. Needs 10.5:1 compression and 3500+ stall. Low gear ratio.

Magnum/Mag-Marine 260/260 Solid Flat Cam/Lifter Kit Chevrolet Big Block 396-454; Jet boat with B impeller. Bracket race, 10.5:1+ compression. Use tunnel ram. Great for Pro Street or bracket racing. 3500+ stall or 4 speed. 11:1+ compression, 4.10 or lower gear. Radical idle.

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

Magnum 224/224 Solid Roller Cam K-Kit for Chevrolet Small Block; Most versatile, good vacuum, excellent throttle response, noticeable idle, works well with stock manifolds and 2000+ stall.

Magnum 215/215 Hydraulic Roller SK-Kit for OE Roller SBC; Mild street performance, slightly noticeable idle. Needs aftermarket intake, headers, 3.40-4.10 gears.