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EC 33mm Stainless Steel 5mm Valves for Evolution Cylinder Head
EC 33mm Stainless Steel Valve with 5mm Stem
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EC 33mm Stainless Steel 5mm Valves for Evolution Cylinder Head

Part Number: R-42
Online Price: $22.99
33mm Stainless Steel Intake Valve – 5mm Stem for EC Evolution Head
Availability: In Stock.

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Description

Stock 33mm Stainless Steel Intake Valve – 5mm Stem for EC Evolution Cylinder Head


Unlock the true potential of your EC Evolution Performance Cylinder Head with these 33mm stainless steel valves. Designed for Honda GX200/Clone, Ducar, Tillotson, Wildcat, and Predator small block engines, these high-flow valves are engineered to maximize performance by enhancing airflow and optimizing engine efficiency at higher RPMs.


The EC Evolution Head is renowned for its larger ports and oversized valves, which approach the performance of full billet heads. These 33mm valves are built to handle the most demanding kart racing and mini bike applications, offering superior durability under high heat and pressure conditions.


Crafted from premium stainless steel, these valves resist wear, corrosion, and heat distortion, making them ideal for high-performance builds. Whether you're replacing worn-out valves or upgrading to boost engine power, these valves deliver exceptional performance with a precise 5mm stem diameter for perfect fitment and flow.


Valve Specifications

  • Head Diameter: 1.2985” (33mm)
  • Valve Length: 2.868" (72.85mm)
  • Stem Diameter: 0.1955" (5mm)
  • Material: Stainless Steel
  • Weight: 31g
  • Application: EC Evolution Performance Cylinder Head - Intake

FAQ

Q1: What engines are these valves compatible with?

A: These 33mm stainless steel intake valves are compatible with Honda GX200/Clone, Predator 212, Ducar, Tillotson, and Wildcat small block engines that use EC Evolution Cylinder Heads.


Q2: Is this valve designed for intake or exhaust?

A: This is an intake valve designed specifically for use in the EC Evolution Performance Cylinder Head.


Q3: What’s the stem diameter and valve length?

A: The valve features a 5mm stem diameter and a total length of 2.868" (72.85mm), making it a direct replacement for the EC Evolution Cylinder Head.


Q4: Why should I choose stainless steel for my valves?

A: Stainless steel is highly resistant to heat, wear, and corrosion, which makes it ideal for high-performance engines operating at high RPMs. These valves will last longer and maintain better performance under extreme conditions.


Q5: Do I need to modify my engine to install this valve?

A: If your engine is already equipped with an EC Evolution Performance Cylinder Head, no additional modifications are necessary. This valve is designed for a perfect fit and optimized performance with the Evolution head.


Q6: Will these valves improve engine performance?

A: Yes, these 33mm valves are designed to maximize airflow and optimize engine efficiency, providing noticeable improvements in performance, especially at higher RPMs, ideal for kart racing and mini bikes.

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