Yukon Gear & Axle 3.73 Ratio Ring and Pinion 30 Spline Pinion 8.875" Ring Gear 4 Series - GM 12 Bolt Fuel Injection Systems & Components - Mechanical Borla's systems are designed from

Borla's systems are designed from scratch on a vehicle-by-vehicle basis

and they've been manufacturing long and MID-LENGTH tube headers for Pontiac models for decades

• Driver and Co-Driver labeling on 5-Pin jacks

OE Style Plug

Holes in pulley must be re-drilled

Yukon Gear & Axle 3.73 Ratio Ring and Pinion 30 Spline Pinion 8.875" Ring Gear 4 Series - GM 12 Bolt Fuel Injection Systems & Components - Mechanical Borla's systems are designed fromYukon Gear Ring & Pinion Gear Set For GM 12 Bolt Truck Differential, 3. 73 Ratio Fits GM 12 bolt truck, 3. 73 ratio. Yukon uses the latest designs and manufacturing technologies to provide a quiet running gear that is strong and easy to set up Yukon Ring and Pinion sets give you the confidence of knowing you're running gears designed for the harshest of conditions. Whether it's on the street, off road, or at the track; Yukon Ring and Pinion sets