Supertech Performance GDE-HK55-E Magnesium Bronze Valve Guide Sold Each

The Supertech Performance GDE-HK55-E is a precision-machined valve guide crafted from high-quality Magnesium Bronze — a material prized in performance engine building for its superior thermal conductivity, wear resistance, and dimensional stability under extreme heat and load cycles. Designed as a direct replacement or performance upgrade, this valve guide delivers consistent valve alignment and excellent heat dissipation to protect both the valve stem and guide bore over the long term.

When paired with low-friction nitrated valves, Supertech's Magnesium Bronze guides provide an optimized tribological combination that minimizes stem wear and oil consumption while maximizing engine longevity — a popular choice in both naturally aspirated and forced-induction performance builds.

Key Features:

• Material: High-quality Magnesium Bronze for superior wear resistance and thermal conductivity
• Precision machined to tight tolerances for accurate valve stem clearance and alignment
• Compatible with low-friction nitrated valve stems for optimal performance pairing
• Ideal for performance, racing, and high-cycle engine applications
• Consistent quality from a trusted manufacturer of aftermarket valvetrain components

Sold individually — one (1) valve guide per order. Please order the exact quantity required for your application. For example, a 16-valve engine requires a quantity of 16.