Porsche 930 4-Speed Manual Transaxle with Limited-Slip Differential

Rebuilt Manual Gearbox | Modified Gear Ratios | Low Mileage Installation

This Porsche 930 transaxle is a four-speed manual gearbox equipped with a limited-slip differential (LSD), rebuilt in April 2013 by California Motorsports, based in Lake Havasu City, Arizona.

Technical Details

• Rebuild date: April 2013

• Rebuilder: California Motorsports

• Gear configuration: Shortened gear ratios from factory

  • Stock 0.89 third gear repurposed as fourth gear for closer spacing

• Limited-slip differential included, factory-style Porsche LSD

Usage & Mileage

• Installed in a 1987 Porsche 930 Turbo purchased by the seller in 2019

• Estimated installed mileage: 8,000–10,000 miles

• Removed in favor of a transaxle with factory gear ratios to match a modified higher-horsepower engine

Condition Notes

• Professionally rebuilt and properly set up

• Low mileage usage since rebuild

• Configured for performance-oriented gear ratios

• Limited-slip differential operates as intended

Applications

• 1984–1989 Porsche 911 Turbo (930) restorations

• Classic 911 performance builds with four-speed transaxle

• Upgraded or modified Porsche 930 projects requiring a rebuilt LSD gearbox

Highlights

• Rebuilt by a reputable Porsche specialist

• Modified for closer gearing, ideal for spirited driving

• Low mileage since rebuild

• Factory-quality LSD included

This Porsche 930 manual transaxle with LSD is a rare, low-mileage, performance-oriented gearbox suitable for 930 Turbo restorations or high-performance builds.