EMPI HD Bubble-Top Engine Case | VW Type 1 Air-Cooled | Stock 85.5mm Bore, 8mm Studs (98-0451-B)

EMPI HD Bubble-Top Aluminum Engine Case — Stock 85.5mm Bore, 8mm Studs (98-0451-B)

The case is the foundation every air-cooled build sits on. This is EMPI's heavy-duty aluminum bubble-top engine case (98-0451-B) — machined for stock 85.5mm cylinders, an all-new casting for 1600cc builds.

Vehicle Fitment

• VW Beetle: All Years
• VW Super Beetle: All Years
• VW Karmann Ghia: All Years
• VW Type 3: All Years
• VW Bus: All Years

Confirmed for VW Type 1 1600cc builds (Beetle, Super Beetle, Karmann Ghia, Type 3, Bus). Not for bore sizes other than stock 85.5mm or Type 4 engines.

Why Choose EMPI?

This is an all-new casting — not a used core hoping to survive another rebuild.

Key Features & Benefits

• All-new heavy-duty aluminum bubble-top casting: strong upper-case design
• Machined for stock 85.5mm cylinders: true stock rebuild foundation
• 8mm case-stud threads: universal stock configuration
• Fresh machining throughout: cam tunnel, mains, lifter bores

Technical Specifications

• Material: Heavy-duty aluminum, bubble-top, new casting
• Bore: Stock 85.5mm
• Studs: 8mm
• Brand: EMPI
• Part Number: 98-0451-B
• UPC: 707924368116

Frequently Asked Questions

• Is this a new case or a rebuilt core? All-new casting — not a used core.
• What bore does it take? Machined for stock 85.5mm cylinders.
• What's the part number? EMPI 98-0451-B (UPC 707924368116).

Explore Related Categories

Engine Parts Engine All VW Air-Cooled

Prop 65 Warning

WARNING: This product can expose you to chemicals known to the State of California to cause cancer and reproductive harm. For more information, go to www.P65Warnings.ca.gov.