Performance Transmission & Drivetrain at Summit Racing

USA Standard Gear Ring and Pinion Sets ZG GM8.5-342 GM 8.5/8.6 in. 3.42 Gears

Ring and Pinion Gears, 3.42:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.5/8.6 in., Set

Part Number: SPZ-36213

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Performance & Replacement Transmission & Drivetrain Parts