Proform Rocker Arm Adjusting Nuts - 7/16" Battery Terminal AFR's spread port head has

AFR's spread port head has all the benefits and features of AFR's standard head

able to handle 7-26 GPM Dual Springs expand operating pressure range while maintaining a low profile and reduced weight

1973-79 Nova

GM Fullsize Truck 2007-17

Collector Flange

Proform Rocker Arm Adjusting Nuts - 7/16" Battery Terminal AFR's spread port head hasProform Poly Lock 66936 7 16 in. Fits Most Extruded Aluminum Rocker Arms 16 Per Package PROFORM invites racers to experience the strength, innovation, and power behind the PROFORM brand. PROFORM Parts (Specialty Auto Parts U. S. A., Inc.) is a leader in the High Performance Automotive Aftermarket by engineering and manufacturing creative products from intelligent concepts. Our goal is to provide the performance enthusiast with innovation, quality, and