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Cylinder Heads, 44x37.5mm, 90.5/92mm, Dual Springs, L7 Turbo CNC Ported, EMPI

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New Cylinder Heads, 44x37.5mm, 90.5/92mm, Dual Springs, L7 Turbo CNC Ported, EMPI

EMPI started with the “best in class” GTV-2 Cylinder head casting and let a 5 Axis CNC Mill work it’s magic to increase flow. Resulting in the best bang for your buck in increased horsepower. EMPI's programs cut the Intake, Exhaust and Chamber with CNC precision. You now have a smooth, ready to bolt on finished head. The GTV-2 Cylinder Head casting eliminates the need for any welding, even with our massive Stage 3 port. Available in three Wedge-Port Designs, all feature Stainless Steel Valves, Racing Valve Seats, Bronze Valve Guides, New 4037 Hi-Performance Dual Valve Springs, Chromoly Retainers, Hardened Keepers, Gaskets, Rocker, Exhaust and Intake Studs. Complete with a professional Performance Valve job & assembly.  

Application Note: This is considered a universal part and can fit many different applications based on modifications to the vehicle. Application information is just for reference and not applicable to a stock vehicle configuration. Please verify your application before purchase to ensure this part is correct for your project. Designed to be used on 1200-1600cc 40hp Based Engines.  

Cylinder Heads, 98-1558-B, 44x37.5mm, 90.5/92mm, Dual Springs, L7 Turbo CNC Ported, EMPI, Sold as Set
Cylinder Head Specifications
Port StyleDual Port CNC
Cylinder Bore90.5/92mm
Intake Valve44mm Stainless Steel
Exhaust Valve37.5mm Stainless Steel
Spring TypeDual Performance VW
Spark Plug Type12x19mm
Chamber Volume67cc
Air Flow184CFM @ .650" LIft

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  • Part Number: 98-1558-B
  • Manufacturer Part #: 98-1558-B
  • Reward Points: 1069
  • Availability: In Stock
  • $1,069.95
  • Price in reward points: 21380

Tags: Cylinder Heads, EMPI, Bug, Super Beetle, Karmann Ghia, Bus, Notchback, Squareback, Fastback, Thing