Proform High-Torque Starter - 4.41:1 Gear Reduction - GM LS-Series Cylinder Head Bolt Also included is a -4

Also included is a -4 AN manifold to run inline with your nitrous feedline

Engraved with the Hurst Logo & Challenger Script

Fully sealed for protection from vibration and moisture

2-5/8 or 3-1/16 in Carb Flange

Billet tensioner cover

Proform High-Torque Starter - 4.41:1 Gear Reduction - GM LS-Series Cylinder Head Bolt Also included is a -4Product Description: Starter High Torque 4. 41: 1 Gear Reduction GM LS Series Sold Individually 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,