GM BEVEL SET 12B CAR 3.31 SUPERFINISH

Eaton Street Series ring and pinion sets are centered on high performance for enthusiasts. Street Series sets are made from high-quality 8620 or 4320 steel providing long life under daily-use conditions. They are available in a wide range of axle ratios for many applications and can be ordered with their patented Super Finish process, eliminating the need for break-in. For your spirited traction needs, choose Eaton Street Series ring and pinion sets. Features may include: Made from high-quality 8620 or 4320 steel for long life, CNC-cut teeth for reduced stress and smooth engagement, Computer-controlled heat-treat for durability, Rolled splines for added tooth strength, Patented Super Finish process is optional–gives the gears a highly polished look, reduces friction and wear, improves oil retention, and eliminates the need for break-in. Up to a 3 to 5 percent more horsepower can be achieved through reduced friction losses. Item Description – GM BEVEL SET 12B CAR 3.31 Product Category – Ring & Pinion Super Finish Spline Count – 30