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Description
EMPI GTV-2 Dual Port Cylinder Head — 94mm Bore, 42/37.5mm SS Big Valves, Dual Spring | VW Type 1 (98-1439-B)When you need the most valve and flow EMPI puts in a GTV 2 dual port head, this is it. The 98 1439 B is the big valve racing version machined for 94mm pistons and built with massive 42mm intake and 37. 5mm exhaust stainless Manley valves on dual hi rev springs. The oversized valves need the dual spring valvetrain to keep up with high lift cams. Sold each. Features 94mm bore, GTV 2 dual port casting 42mm intake 37. 5mm exhaust stainless steel Manley
When you need the most valve and flow EMPI puts in a GTV-2 dual-port head, this is it. The 98-1439-B is the big-valve racing version — machined for 94mm pistons and built with massive 42mm intake and 37.5mm exhaust stainless Manley valves on dual hi-rev springs. The oversized valves need the dual-spring valvetrain to keep up with high-lift cams. Sold each.
Features
- 94mm bore, GTV-2 dual port casting
- 42mm intake / 37.5mm exhaust stainless steel Manley valves (3-groove)
- Dual hi-rev valve springs
- Chromoly retainers and hardened keepers
- Bronze valve guides
- 57cc combustion chamber
- 20% larger intake and exhaust ports than stock
- 12mm 3/4" reach spark plug holes
- Rocker, exhaust, and intake studs included
- Competition 3-angle valve job
- Sold each
Specifications
- Valves: 42mm intake / 37.5mm exhaust, stainless Manley
- Springs: dual hi-rev
- Combustion Chamber: 57cc
- Material: special aluminum alloy
- Spark plugs: 12mm 3/4" reach
- Part Number: 98-1439-B | UPC: 707924461909
- Shipping weight: 13.5 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 (e.g. NGK DCPR8E) 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 / racing 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
How big are the valves? 42mm intake, 37.5mm exhaust — the largest in the GTV-2 dual-port range.
Why dual springs? The big valves and high-lift cams need the dual-spring valvetrain to control valve motion at high RPM.
What bore are these for? 94mm pistons (1914-2332cc).
Do I need lash caps? Yes — required with stainless valves, sold separately (00-4006-0).
What's the part number? EMPI 98-1439-B (UPC 707924461909).
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.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy