EMPI AS41 Magnesium Alloy Engine Case — Stock | VW Type 1 Air-Cooled (98-0431-B)

EMPI AS41 Magnesium Alloy Engine Case — Stock | VW Type 1 Air-Cooled (98-0431-B)The case is the foundation every air cooled build sits on, and EMPI's AS41 magnesium case (98 0431 B) is the all new, stock spec replacement for a cracked, line bored, or worn out original. Same lightweight AS41 magnesium alloy the factory used on late Type 1 engines, cast fresh not a used core hoping to survive another rebuild. Features All new AS41 magnesium alloy casting the lightest production spec case material Stock 85. 5mm cylinder bore and

The case is the foundation every air-cooled build sits on, and EMPI's AS41 magnesium case (98-0431-B) is the all-new, stock-spec replacement for a cracked, line-bored, or worn-out original. Same lightweight AS41 magnesium alloy the factory used on late Type 1 engines, cast fresh — not a used core hoping to survive another rebuild.

Features

• All-new AS41 magnesium alloy casting — the lightest production-spec case material
• Stock 85.5mm cylinder bore and standard main bearing size — a true stock rebuild foundation
• Dual-relief oiling, 8mm case-stud threads — universal stock configuration
• Brand-new machining throughout: cam tunnel, main saddles, lifter bores
• Eliminates the risk of building on a fatigued, multiple-time-rebuilt core

Fitment

CONFIRMED: VW Type 1 1200–1600cc stock-displacement builds — Beetle, Super Beetle, Karmann Ghia, Type 3, Bus. Accepts stock 85.5mm cylinders and 8mm case studs. NOT CONFIRMED: big-bore 90.5/92/94mm builds (those need a case bored for the larger spigots), Type 4 engines.

Specifications

• Material: AS41 magnesium alloy, new casting
• Bore: stock 85.5mm | Studs: 8mm | Relief: dual
• Main bearing: standard size
• Part Number: 98-0431-B | UPC: 707924368109
• Country of Origin: Brazil
• Shipping weight: 27 lb

Questions & Answers

Is this a new case or a rebuilt core? All-new casting — not a used core.

What bore does it take? Stock 85.5mm cylinders; it is not bored for big-bore barrels.

Aluminum or magnesium? AS41 magnesium alloy — lighter than aluminum, the factory late-model material.

What stud size? 8mm case studs, dual relief.

What's the part number? EMPI 98-0431-B (UPC 707924368109).

Are you an authorized dealer? Yes — Washburn's Metal is an authorized EMPI dealer.

Prop 65 Warning

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