GSC +0.001" Intake/Exhaust Valve Guide Toyota 1JZ GSC3091.001-1
Oversized Valve Guide for Toyota 1JZ Engines
The GSC Power-Division +0.001" Valve Guide is designed for Toyota 1JZ engines and fits both intake and exhaust sides. This smooth-style guide is ideal for freshly machined heads or builds requiring tighter tolerances, offering precise valve stem support and long-term durability in high-performance applications.
Fitment and Options
Sold individually. A full cylinder head requires 24 guides (2 sets of 12). Standard and +0.003" oversized options are also available for varied fitment needs.
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
