Proform Rocker Arm Adjusting Nuts - 3/8" RU003003XL This Plug and Play solution

This Plug and Play solution lets you quickly and easily install the AutoMeter 9117 Tach Adapter onto your LS-derived engine

Plate steel construction-provides a durable cost-effective LS engine mounting solution

Air Box Heat Shield

and our Advanced Axis Adjustment system allowing you to adjust shoulder width

5 Diameter

Proform Rocker Arm Adjusting Nuts - 3/8" RU003003XL This Plug and Play solutionProform Poly Lock 66935 3 8 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