GSC +0.003" Exhaust Valve Guide – Toyota 1FZ – GSC3107.003-1
Oversized Exhaust Valve Guide for Toyota 1FZ Engines
The GSC Power-Division +0.003" Exhaust Valve Guide is designed for Toyota 1FZ applications requiring extra clearance in freshly machined or high-mileage cylinder heads. This smooth-style guide offers precise valve stem control and long-term durability in both OEM rebuilds and performance builds.
Fitment and Options
Sold individually. A full cylinder head requires 12 guides. Standard and +0.001" oversized options are also available to suit your specific tolerance needs.
Key Features
- +0.003" oversized fit for custom-machined heads
- OEM-style smooth finish for consistent valve operation
- Precision-machined for 7mm valve stems
Specifications
| Stem Diameter | Total Length | Outer Diameter |
|---|---|---|
| 7.0mm | 41.91mm / 1.650" | 11.54mm / 0.4545" |
Fitment:
- 1993–1997 Toyota Land Cruiser 4.5L DOHC Inline-6 (1FZ-FE)
- 1993–1997 Lexus LX 450 4.5L DOHC Inline-6 (1FZ-FE)
- 1992–1997 Toyota Land Cruiser HDJ80/HDJ81 4.5L DOHC Inline-6 (1FZ-FE, non-US markets)
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov
