Big Block GX390 and Clone NR Racing Performance Cam 280 Series - GX390 - Predator 420 - 440 - 460 - 500

The Torque Cam - Massive Amount of Low End Power for Marine, Mini Bikes, and Small Tracks

With approximately .280 lift and 220 duration (at .050), this is a nice cam that works well on both stock and modified motors. This cam produces lots of low end torque. One of the best all-around cams we offer. Works with stock, bored, or aftermarket carbs.

02-11 Marine Grind - THE ULTIMATE TORQUE CAM. Special grind for marine and winch boarding applications. Extreme torque. Designed for 2000-5500rpm. 11-to-1 or lower compression ratio required. HD springs required.

04-11 TQ Grind - Serious torque for small tracks. 6000rpm maximum. 9-to-1 compression or more. HD springs required.

08-11 RPM Grind - The best all-around cam for big blocks. 6500+ RPM. 10.5-to-1 compression or more. HD springs required.


*Note: Block or crankshaft may require clearance to clear camshaft lobes.

Fits Honda GX240-GX390, 420 Predators, 460cc OHVs, and most other 9-15hp Honda style OHV motors. Will not fit 414 LCT motors or some 301 Predators with large journals.