Fitment questions?
Call (855) 786-7101 or text (801) 304-3141.
Real people. Real answers.
Product details
Pair of fully assembled Stage 3 heads for 90.5mm and 92mm bore engines. The ports are CNC cut on a 5-axis mill into the GTV-2 casting, which has enough wall thickness that even the largest port does not need welding. Valve train hardware includes 4037 dual springs, chromoly retainers, and hardened keepers.
Technical Details
- Manufacturer: EMPI
- Manufacturer part number: 98-1434-B
- Port: Stage 3 wedge-port
- Valve size: 42mm x 37.5mm stainless steel
- Bore: 90.5mm or 92mm
- Sold as: Pair
Fitment & Compatibility
Suits Type 1 based dual port builds with 90.5mm or 92mm cylinders. Add lash caps (EMPI 4006) for the stainless valves.
