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3.90 Gear Ratio

  • ZG GM12P-390 USA STANDARD GEAR DIFFERENTIAL RING AND PINION
    $206.82 ZG GM12P-390 USA STANDARD GEAR DIFFERENTIAL RING AND PINION
    USA Standard Ring & Pinion gear set for GM 12 bolt car in a 3.90 ratio Fits GM 12 bolt passenger car 8.875" ring gear diameter 30 spline pinion 12 ring gear bolts 3.90 ratio USA Standard ring and...

  • G888390 MOTIVE GEAR PERFORMANCE DIFFERENTIAL RING AND PINION
    $241.51 G888390 MOTIVE GEAR PERFORMANCE DIFFERENTIAL RING AND PINION
    Motive Gear Performance offers some of the toughest drive train components on the market today. If you are looking for the largest line of performance ring and pinion gear options available with gear sets in a wide range of...

  • YG GM12P-390 YUKON HIGH PERFORMANCE DIFFERENTIAL RING AD PINION
    $241.51 YG GM12P-390 YUKON HIGH PERFORMANCE DIFFERENTIAL RING AD PINION
    High performance Yukon Ring & Pinion gear set for GM 12 bolt car in a 3.90 ratio Fits GM 12 bolt passenger car 8.875" ring gear diameter 30 spline pinion 12 ring gear bolts 3.90 ratio Yukon Ring and...

  • 49-0040-1 RICHMOND DIFFERENTIAL RING AND PINION
    $254.22 49-0040-1 RICHMOND DIFFERENTIAL RING AND PINION
    Richmond Gear is the leading manufacturer of professional quality, high-performance drivetrain products. Our complete line of products ranges from high performance ring-and-pinion sets for serious street and racing...