KIBBLEWHITE - 20-4256 - Intake Valve - Big Twin

Q: Where can I find installation instructions for this product?

General installation notes are provided on the product page where available. For detailed step-by-step instructions, refer to the manufacturer's documentation included with the product, or use the product chat for questions about difficulty, required tools, or whether professional installation is recommended.

Description

Kibblewhite's 20-4256 Intake Valve for Big Twin motorcycles is a one-of-a-kind piece made from stainless steel and stellite. Its unique nitrided process creates a .002" depth and .0002" surface buildup, enhancing wear resistance and reducing friction. This special treatment also provides excellent corrosion resistance, outperforming hard chromium and electrolysis nickel-plating. With its lightweight construction and exceptional flow characteristics, this valve is compatible with both leaded and unleaded fuels. It can be used in cast iron and bronze guides, ensuring maximum oil control and heat dissipation. Designed and manufactured in the U.S.A., this valve is a remarkable addition to any motorcycle enthusiast's collection. Its specifications include a 2.000" head diameter, 0.3765" stem diameter, 23? tulip angle, and a length of 3.885". Perfect for street riding, this valve is sold individually.

Features

One-piece stainless-steel, stellite-tipped valves impregnated by a special nitrided process with .002" depth and .0002" surface buildup to improve wear properties and reduce friction

This process provides resistance to corrosion; wears superior to hard chromium and electrolysis nickel-plating

Lightweight with profiles that provide excellent flow characteristics

Compatible with leaded and unleaded fuels and can be run in cast iron- and bronze-type guides at close tolerances for maximum oil control and heat dissipation

Made in the U.S.A.

Specs

Product Name: Valve

Application: Intake

Model: Black Diamond

Material: Stainless Steel

Head Diameter: 2.000"

Stem Diameter: 0.3765"

Tulip Angle: 23?

Length: 3.885"

Units: Each

Riding Style: Street

30 Day Manufacturer's Warranty

Frequently Asked Questions - KIBBLEWHITE - 20-4256 - Intake Valve - Big Twin

General info

How do I know if this part fits my vehicle?

Check the fitment information listed on this page against your exact year, make, model, and (where applicable) trim, engine size, or configuration. If your exact vehicle isn't listed, or you're not sure, use the product chat on this page or contact our support team before ordering - we're glad to help confirm fitment.

What does it mean if a product is listed as universal fit?

Universal fit means the product is designed to work across a range of vehicles, not that it's guaranteed to fit every one. Compare the listed measurements, mounting requirements, and connector or hardware specs against your specific vehicle before ordering, since some installations may need additional hardware or minor fabrication.

Where can I find installation instructions for this product?

General installation notes are provided above where available. For detailed step-by-step instructions, refer to the manufacturer's documentation included with the product, or use the product chat on this page for questions about difficulty, required tools, or whether professional installation is recommended.

What if I have more questions about this product?

Use the product chat on this page for fitment, specs, installation, and compatibility questions, or contact our support team directly for help before you order.