Proform GM HP 50 000 Volt HEI Coil Upper A-Arm Shims Designed as a direct replacement

Designed as a direct replacement for the factory manifolds

9-Layer Lightweight Aramid Construction

Anti-Submarine Belt pull-up adjustable strap measures 34-1/2" long

One 5/8-18 in Inverted Flare Female to 3/8 in Hose Barb

25 Base Thread

Proform GM HP 50 000 Volt HEI Coil Upper A-Arm Shims Designed as a direct replacementResults in more completely burned fuel. Offers 15, 000 more volts than stock. 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