Product details:

Whether your use is off-roading or towing, there is an Xtreme 4x4 for you. By using an aggressive lobe profile, these cams provide better throttle response and more top-end horsepower than equivalent cams from other manufacturers, while delivering increased engine vacuum. K34-239-4 fits these applications: FORD 7.5L/460 Ford big block 385 Series, FORD 7.0L/429 Ford big block 385 Series.