GSC Power Division Exhaust Valve Guide Set of 8 for Mitsubishi 4B11T

GSC Power Division Exhaust Valve Guide Set of 8 for Mitsubishi 4B11T High-performance replacement valve guides engineered by GSC Power Division for the Mitsubishi 4B11T engine. This set of 8 exhaust valve guides restores proper valve alignment, improves sealing, and supports consistent combustion under elevated RPM and boost. Direct fit: Precision-machined to OEM dimensions for easy installation in 4B11T cylinder heads. Durable construction: Engineered materials resist wear, maintain valve stem clearance, and extend engine life. Performance-focused: Reduces oil consumption and valve wobble at high load, ideal for tuned and track-driven applications. Complete set: Includes 8 exhaust valve guides—everything needed for a full-bank refresh. Trusted by tuners and engine builders, the GSC Power Division valve guide set provides reliable service and helps maintain optimal engine performance after machining or during rebuilds. Fitment: Mitsubishi 4B11T engines. Verify compatibility with your cylinder head before installation.