Motive Gear G875410 Ring and Pinion Set 4.10 Ratio GM 7.5 in/7.625 in
$342.89
Their AX Series ring and pinions are designed to increase horsepower and efficiency by removing rotating weight. Motive Gear Performance: What the pros run! Ring and Pinion Ratio: 4.10:1. Pinion Spline Count: 27.