• Intake Manifold Boot for Honda CB500K, CB550K, CB550F (1971-1977) | OEM 16211-323-000 - goofitmoto
  • Intake Manifold Boot for Honda CB500K, CB550K, CB550F (1971-1977) | OEM 16211-323-000 - goofitmoto
  • Intake Manifold Boot for Honda CB500K, CB550K, CB550F (1971-1977) | OEM 16211-323-000 - goofitmoto
  • Intake Manifold Boot for Honda CB500K, CB550K, CB550F (1971-1977) | OEM 16211-323-000 - goofitmoto
1 4

GOOFIT

Intake Manifold Boot for Honda CB500K, CB550K, CB550F (1971-1977) | OEM 16211-323-000

Intake Manifold Boot for Honda CB500K, CB550K, CB550F (1971-1977) | OEM 16211-323-000

$14.99
$14.99
Sale Sold out
Shipping calculated at checkout.

Product Overview

Maintain the iconic smooth-revving character of your vintage Honda Four with this high-durability Carburetor Intake Manifold Pipe. Specifically engineered for the CB500K, CB550K, and CB550F Super Sport series, this part is a direct replacement for OEM #16211-323-000. On these classic SOHC engines, air leaks at the intake are the #1 cause of "hanging idles" and difficult tuning. Our manifold is built to withstand the intense heat of an air-cooled engine bay, providing a perfect vacuum seal to keep all four cylinders perfectly synchronized.

Product Compatibility

Direct replacement for Honda 500cc & 550cc SOHC Inline-Four engines. Please verify your OEM code.

Brand Model Fitment Years Replaces OEM Part #
Honda CB500K 1971 – 1973 16211-323-000
Honda CB550K 1974 – 1976 16211-323-000
Honda CB550F Super Sport 1975 – 1977 16211-323-000

Specifications

Feature Detail
OEM Reference 16211-323-000
Material High-Strength, Fuel-Resistant Synthetic Rubber
Properties Anti-Aging, Crack-Resistant, High-Temperature Tolerance
Fitment Type Direct Bolt-on Factory Replacement
Quality Control Precision Manufactured for Airtight Vacuum Seal

Key Features

  • High-Strength Durability: Crafted from premium materials designed to thrive in the high-heat environment of an air-cooled inline-four engine, effectively preventing the drying, hardening, and cracking common in vintage rubber.
  • Leak-Free Vacuum Seal: Precision-manufactured to ensure an airtight connection between the carburetors and cylinder head, eliminating lean-running conditions that cause "popping" through the intake and engine hesitation.
  • Corrosion-Resistant Compound: Engineered to resist degradation from modern ethanol-blended fuels and engine oils, significantly prolonging the service life of your intake system.
  • Restores Tuning Stability: By ensuring zero air leaks, this manifold allows for precise carburetor synchronization—essential for achieving the smooth, reliable idle these classic Hondas are famous for.
  • Factory Standard Fit: Strictly follows the manufacturing standards for the 16211-323-000 specification, providing a seamless installation experience for restorers and enthusiasts.
View full details

Fitment FAQ

Will this part fit my specific model and year?

This intake manifold is intended for Direct replacement for Honda 500cc & 550cc SOHC Inline-Four engines. Please verify your OEM code.; Fitment Years; Replaces OEM Part #; Honda; CB500K; 1971 – 1973; 16211-323-000. Listed year information includes 1971–1977, 1971–1973, 1974–1976, 1975–1977, 1971. It is best matched to original part number(s) 16211-323-000, 1971-1977. Key physical/spec details from the product data include 500cc, 550cc. Use the compatibility table and product photos together before ordering.

Do I need to match the OEM part number?

Yes. Match your original part number to 16211-323-000, 1971-1977 before purchase. For this intake manifold, also compare the bolt spacing, intake port shape, carb-side inner diameter, vacuum nipple position, and gasket shape. This is especially important for Honda CB500K/CB550K/CB550F models because similar model names can use different parts by year or trim.

What models or situations does this part not fit?

Do not order this intake manifold for machines outside the listed compatibility, or for units with different port shapes, bolt spacing, carb-side diameter, or vacuum nipple locations. If your original part number does not cross-reference with 16211-323-000, 1971-1977, treat the fitment as unconfirmed. Model years outside 1971–1977, 1971–1973, 1974–1976, 1975–1977, 1971 should be verified separately. Do not rely only on the model name or engine size.

What should I check before ordering?

Before ordering, compare your original part with the photos and check the bolt spacing, intake port shape, carb-side inner diameter, vacuum nipple position, and gasket shape. Confirm OEM/cross-reference number(s): 16211-323-000, 1971-1977. Recheck listed specs such as 500cc, 550cc. If any connector, mounting point, size, or year detail is different, confirm fitment before installation.