EMPI GTV-2 L7 CNC Ported Heads | VW Type 1 90.5/92mm | 44/37.5mm SS Valves, Pair (98-1554-B)

EMPI GTV-2 L7 CNC Ported Heads — 90.5/92mm, 44/37.5mm SS Valves, Pair (98-1554-B)

The L7 port is part of EMPI's high-end racing head lineup — a flow profile built for serious horsepower-per-displacement on high-RPM Type 1 engines, carrying forward much of what DRD Racing Heads offered. EMPI's GTV-2 L7 CNC heads (98-1554-B) are machined for 90.5/92mm bore with 44×37.5mm stainless valves and competition dual springs.

Sold as a matched pair.

Vehicle Fitment

• VW Beetle: 1971-1979
• VW Bus: 1971-1979
• VW Karmann Ghia: 1971-1974
• VW Type 3: 1971-1973
• VW Thing: 1973-1975

Confirmed: VW Type 1 dual-port racing builds running 90.5mm or 92mm bore with high-lift / high-RPM cams — 1776cc, 1835cc, 1914cc. Not confirmed: stock 85.5mm or 94mm bore, single-port engines, Type 4 engines.

Why Choose EMPI?

The L7 is one of EMPI's high-end racing CNC ports, optimized for horsepower-per-displacement on high-RPM engines.

Key Features & Benefits

• 90.5mm / 92mm bore, GTV-2 dual port casting.
• L7 CNC port profile: cut on a 5-axis CNC mill.
• 44mm intake / 37.5mm exhaust stainless valves.
• Competition dual valve springs.
• Chromoly retainers and hardened keepers.
• Bronze valve guides.
• Custom-fit gaskets included.
• 12mm 3/4" reach spark plug holes.
• Rocker, exhaust, and intake studs included.
• Hi-Performance 3-angle valve job.
• Sold as a matched pair.

Technical Specifications

• Valves: 44mm intake / 37.5mm exhaust, stainless
• Springs: competition dual
• Port: L7 CNC
• Spark plugs: 12mm 3/4" reach
• Part Number: 98-1554-B | UPC: 707924472219
• Sold as: matched pair

Frequently Asked Questions

• What's the L7 port for? High-end racing flow optimized for horsepower-per-displacement on high-RPM engines.
• What bore are these for? 90.5mm and 92mm pistons (1776-1914cc).
• Do I need lash caps? Yes — required with stainless valves, sold separately (00-4006-0).
• Sold each or as a pair? Matched pair.
• What's the part number? EMPI 98-1554-B (UPC 707924472219).
• Are you an authorized dealer? Yes.

Installation

Lash caps (P/N 00-4006-0) are required for all stainless steel valve applications — sold separately. 12mm long-reach spark plugs must be used in place of stock Bosch plugs. Verify rocker arm geometry and check for coil bind with dual springs.

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Prop 65 Warning

WARNING: This product can expose you to chemicals including lead which are known to the State of California to cause cancer and reproductive harm. For more information, go to www.P65Warnings.ca.gov. All parts legal for use on pre-pollution controlled vehicles only.