Description:

Designed to be the one of the baddest big block conventional heads available, the RFD-BBC-RR is designed around raised intake runner locations with the floor of the port as much as .600" off of the deck depending on port design.

Designed primarily for the Truck Pull and smaller cubic inch heads & up drag race market, the RFD-BBC-RR features raised oval intake runners with several options to suit your combination. High airspeed ports and very high flow rates make this one of the most powerful conventional heads available today.

This head has made over 1100hp in 522" truck pull applications as well as in 532" drag race applications. It is available with a few different valve locations and angles that are custom designed around the application.

Specifications:
• High quality HIP processed casting
• Fully CnC ported
• 2.35, 2.375, 2.4 or 2.45 intake valve versions
• Several port sizes to choose from
• 110cc chamber standard, can be milled to 94cc ( or less )
• designed for large bore applications 4.5" or larger
• one piece shaft rocker system
• 20-21-23 valve angles
• 450 to 510 cfm intake 350cfm ex