EMPI 98-0471-B Heavy Duty Aluminum Bubble Top Engine Case 85.5mm Bore 8mm Sand Seal

The EMPI 98-0471-B is a heavy-duty universal bubble top engine case designed for air-cooled Volkswagen applications. This precision-engineered case is constructed from high-quality aluminum alloy and features full CNC machining for exceptional accuracy and quality control.

Key Features:

• 85.5mm piston bore for stock displacement builds
• 8mm case savers (threaded inserts) installed for cylinder head studs
• Bubble top raised roof design with strong radius for clearance up to 84mm cranks
• Machined for sand seal type pulley on the crankshaft snout
• Shuffle pins on all 6 main bearing saddles for zero-gap fit and enhanced durability
• Drilled and tapped for full flow oil system with plugs included
• Dual relief oil galleries for improved lubrication
• Large oil pickup tube included
• Filled-in support behind cylinder #3 for added strength
• Ported and smoothed oil passages for better flow
• Approximate weight: 44 lbs

This universal case is compatible with VW Type 1 (Bug/Ghia), Type 2 (Bus/Transporter up to 1970), and Type 3 (Squareback/Fastback/Notchback) applications. The aluminum construction requires use of a steel hub timing pulley or bolt-in sand seal pulley kit. Note that trimming may be required on fan shrouds where case halves meet.