Intake Manifold Boot Set for Honda CB400T CB450SC CM400T | OEM 16211-447-000

Product Overview

Restore the smooth, vintage rumble of your Honda twin with this high-quality Carburetor Intake Manifold Boot Set. Specifically designed for the CB and CM series 400cc/450cc engines, these boots replace brittle, cracked original units that cause vacuum leaks and poor engine synchronization. By providing a perfect airtight seal between your carburetors and the engine, this set restores consistent fuel delivery, stabilizes idling, and prevents the engine from running "lean"—protecting your classic bike from overheating.

Product Compatibility

Direct replacement for Honda 400cc/450cc Parallel-Twin engines. Please verify your OEM part number.

Brand	Model	Series / Years	Replaces OEM Part #
Honda	CB400T	Hawk / Hawk II (1978–1981)	16211-413-000
Honda	CB450SC	Nighthawk (1982–1986)	16211-447-000
Honda	CM400T / CM400C	Custom / Touring (1979–1981)	16211-447-670
Honda	CB450N	European Series (1985)	16211-447-000
Honda	CM450A / CM450E	Hondamatic (1982–1983)	16211-447-000

Specifications

Feature	Detail
OEM References	16211-447-000, 16211-413-000, 16211-447-670
Material	Premium Fuel-Resistant Nitrile Rubber
Base Material	Anti-Rust Coated Aluminum Alloy
Package Includes	2x Intake Manifold Boots (Left & Right Set)
Fitment Type	Direct OEM Replacement

Key Features

• Comprehensive OEM Compatibility: Engineered to meet or exceed factory specs for multiple Honda part numbers, ensuring a perfect fit for Hawk, Nighthawk, and CM series twins.
• Premium Rubber Compound: Made from high-density, fuel-resistant rubber that stays flexible over time and resists the cracking caused by heat and gasoline exposure.
• Restore Engine Harmony: Eliminates vacuum leaks that cause the cylinders to work against each other, allowing for perfect carburetor synchronization and smoother acceleration.
• Lightweight & Durable: Features an anti-rust and colorfast finish on all metal mounting points, ensuring a long service life even on bikes stored outdoors.
• Essential for Restoration: The perfect upgrade for vintage motorcycle projects where original rubber components have hardened or deteriorated over decades.