DESCRIPTION
Upgrade your engine with Supertech Black Nitrided Stainless Steel Intake Valves. RIVN-28337-4 fits the Renault Clio RS F4R and is sold as a 4-pack.
Supertech Black Nitrided Intake Valves are forged from high-grade stainless steel and treated with a proprietary black nitride surface finish. This advanced treatment increases surface hardness and resistance to wear, corrosion, and carbon buildup while reducing friction between the valve stem and guide. The go-to upgrade for performance builds on naturally aspirated and forced induction engines that demand longer valve life and improved flow consistency over OE valves.
Supertech Black Nitrided Intake Valve Features:
- 1-piece forged construction for maximum strength
- High-grade stainless steel base material
- Black nitride surface treatment for increased hardness and wear resistance
- Reduced carbon buildup and stem-to-guide friction
- Corrosion resistant finish for long service life
- Strict dimensional tolerances for direct OE replacement fitment
TECHNICAL DETAILS
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