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Product details
Stage 3 is the biggest port job offered on the GTV-2 casting. A 5-axis CNC mill cuts the intake ports, exhaust ports, and combustion chambers, so the heads arrive ready to bolt on. The pair is assembled with stainless steel valves, racing valve seats, bronze guides, 4037 high-performance dual valve springs, chromoly retainers, hardened keepers, gaskets, and the rocker, intake, and exhaust studs.
Technical Details
- Manufacturer: EMPI
- Manufacturer part number: 98-1435-B
- Port: Stage 3 wedge-port, CNC machined
- Valve size: 42mm intake x 37.5mm exhaust, stainless steel
- Springs: 4037 dual
- Bore: 94mm
- Sold as: Pair
Fitment & Compatibility
For dual port engines with 94mm cylinders. Use lash caps (EMPI 4006) with the stainless valves.
