3.88 Ring and Pinion Bolt Set (IRS Diff)

This set of 8 Genuine Volkswagen ring and pinion bolts is designed for use with 080 IRS (Independent Rear Suspension) differentials. These precision-engineered bolts are used to securely fasten the ring gear (crown wheel) to the differential carrier, ensuring proper alignment and strength within the gearbox assembly.

Manufactured to original VW specifications, these bolts feature a M9 x 1mm thread pitch and are hardened for maximum durability and resistance to shearing under load. They provide a perfect fit and reliable performance, making them essential when rebuilding or servicing your IRS gearbox.

Using genuine VW hardware guarantees correct torque retention and prevents premature loosening or damage—crucial for vehicles running both standard and high-performance engines.

Features:

• Genuine Volkswagen components for OE reliability

• Designed for IRS (Independent Rear Suspension) gearboxes

• Secures ring gear to the differential carrier

• M9 x 1mm pitch bolts – exact factory specification

• Ideal for gearbox rebuilds or restoration projects

• Supplied as a complete set of 8 bolts

Applications:

• VW Beetle: 1960–1972

• VW Splitscreen Van: 1960–1967

• VW Karmann Ghia: 1960–1974

• VW Type 3: 1961–1973

• VW Trekker (Thing): 1968–1972

• VW Buggy & Baja: 1960–1972

Specifications:

• Quantity: Set of 8 bolts

• Thread size: M9 x 1mm pitch

• Fitment: IRS 080 differential ring and pinion

• Quality: Genuine Volkswagen

Quality:

• Original VW Genuine Parts

• Heat-treated for strength and long service life