Proform Stud Mount Valve Spring Compressor Windage Tray It combines the automatic street-friendly

It combines the automatic street-friendly smooth operation of a limited-slip differential with the traction performance of a locking differential

and LS engines

fan shrouds may require modifica-tion for installation

BEFORE you install them in the wheels

Proform Stud Mount Valve Spring Compressor Windage Tray It combines the automatic street-friendlyQuickly remove valve springs from assembled engines with 3 8" or 7 16" rocker studs. 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