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[quote=BaronVonAutomatc;6226121]A roller block refers to roller lifters, roller rockers will bolt on any head that uses studs and guide plates.
They make pedestal roller rockers that bolt on the later heads as well. There is also a conversion kit out there to convert pedestal mount heads to stud mounts without machining. So, basically , you can put roller rockers on any head. BTW-I agree that Joe really knows his stuff.
Rezvani's Latest Post-Apocalyptic Monster Is a Ford F-150 Raptor Underneath
Slideshow: Called the Fortress, the 850-horsepower pickup combines Raptor underpinnings with military-inspired features, survival equipment, and a starting price of $285,000.