GSC Intake/Exhaust Valve Guide – Toyota 1JZ – GSC3091
High-Precision Valve Guide for Toyota 1JZ Engines
The GSC Power-Division Valve Guide is engineered for Toyota 1JZ applications and serves both intake and exhaust sides. Featuring a smooth-style finish and standard dimensions, this guide ensures consistent valve stem support and long-term durability in high-performance builds.
Fitment and Options
Sold individually or in sets of 12. A complete cylinder head requires 2 sets (24 guides). Oversized versions are available separately in +0.001" and +0.003" for tighter tolerances or freshly machined heads.
Specifications
| Stem Diameter | Total Length | Outer Diameter |
|---|---|---|
| 6mm | 43.69mm / 1.720" | 11.04mm / 0.4347" |
Fitment:
- 1991–2001 Toyota Soarer 2.5L Twin Turbo DOHC (1JZ-GTE)
- 1992–2007 Toyota Crown Athlete 2.5L DOHC (1JZ-GTE / 1JZ-FSE)
- 1990–2005 Toyota Chaser / Mark II / Cresta 2.5L DOHC (1JZ-GTE / 1JZ-GE)
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov
