Overview Drop in a complete differential upgrade with the Power Hobby Pre-Assembled Oil-Filled Differential (30T, 0.8 Module). This set of two fully assembled and pre-filled differentials saves the time and complexity of building diffs from scratch — perfect for racers and tuners who want consistent, ready-to-run performance. Oil-filled diffs deliver the smoothest, most tunable performance for serious racers. Pre-assembled units arrive with proper oil weight already in place, eliminating the most error-prone step of diff assembly. Key Features Pre-assembled, ready-to-install differentials Oil-filled for smooth, tunable performance 30 tooth, 0.8 module gear specification Set of 2 — front and rear coverage Saves significant assembly time Performance Benefits Oil-filled diffs allow precise tuning of front/rear traction balance through different oil weights, enabling racers to optimize handling for specific tracks or conditions. Pre-assembled units guarantee consistent factory build quality. Usage Notes Verify that 30T / 0.8 module specification matches your vehicle's diff requirements before installation. Compatible with various 1/10 and 1/8 platforms — check gearing specs against your specific vehicle. Technical Specs Brand: Power Hobby Type: Pre-assembled oil-filled differential Gear: 30T, 0.8 module Quantity: 2 differentials Fitment Compatible with vehicles using 30T 0.8 module differential gears. Verify gear specifications against your vehicle before installation. What's Included (2) Power Hobby Pre-Assembled Oil-Filled Differentials (30T, 0.8 Mod) Summary The Power Hobby Pre-Assembled Oil-Filled Diff Set delivers race-ready performance and significant time savings — a high-value upgrade for serious tuners and racers.