EMPI GTV-2 Dual Port Cylinder Head — 94mm Bore, 40/35.5mm SS Valves, Dual Spring | VW Type 1 (98-1336-B)

EMPI GTV-2 Dual Port Cylinder Head — 94mm Bore, 40/35.5mm SS Valves, Dual Spring | VW Type 1 (98-1336-B)Running a high lift cam in a 94mm big bore? This is the GTV 2 head built for it. EMPI's GTV 2 dual port head (98 1336 B) is machined for 94mm pistons and assembled with dual hi rev valve springs to keep up with aggressive, high RPM camshafts. 4035. 5mm stainless Manley valves, ports 20% larger than stock, ready to run or port further. Sold each. Features 94mm bore, GTV 2 dual port casting 40mm intake 35. 5mm exhaust stainless steel Manley valves Dual

Running a high-lift cam in a 94mm big-bore? This is the GTV-2 head built for it. EMPI's GTV-2 dual-port head (98-1336-B) is machined for 94mm pistons and assembled with dual hi-rev valve springs to keep up with aggressive, high-RPM camshafts. 40×35.5mm stainless Manley valves, ports 20% larger than stock, ready to run or port further. Sold each.

Features

• 94mm bore, GTV-2 dual port casting
• 40mm intake / 35.5mm exhaust stainless steel Manley valves
• Dual hi-rev valve springs — for high-lift performance cams
• Chromoly retainers and hardened keepers
• Bronze valve guides
• 20% larger intake and exhaust ports than stock
• Added material around combustion chamber for deep fly cutting
• 12mm 3/4" reach spark plug holes
• Rocker, exhaust, and intake studs included
• 3-angle performance valve job
• Sold each

Specifications

• Valves: 40mm intake / 35.5mm exhaust, stainless Manley
• Springs: dual hi-rev
• Ports: 20% larger than stock, port-ready
• Spark plugs: 12mm 3/4" reach
• Part Number: 98-1336-B | UPC: 707924443448
• Shipping weight: 13.6 lb | Boxed: 12 x 9 x 7 in

Important

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.

Fitment

CONFIRMED: VW Type 1 dual-port big-bore builds running 94mm bore with high-lift / high-RPM cams — 1914cc, 2110cc, 2276cc, 2332cc. Beetle, Bus, Karmann Ghia, Type 3, Thing. NOT CONFIRMED: stock 85.5mm or 90.5/92mm bore, single-port engines, Type 4 engines.

Questions & Answers

Why dual springs? They handle high-lift, high-RPM camshafts that single springs can't keep up with.

What bore are these for? 94mm pistons (1914-2332cc).

Anything to check at install? Verify rocker geometry and check for coil bind with the dual springs.

Do I need lash caps? Yes — required with stainless valves, sold separately (00-4006-0).

What's the part number? EMPI 98-1336-B (UPC 707924443448).

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 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.