OER 1972 Pontiac Firebird, GTO, Lemans 455 H/O Intake Manifold Set

Part Number: 14427-OER

OER 1972 Pontiac Firebird, GTO, Lemans 455 H/O Intake Manifold Set

Part Number: 14427-OER

Original price was: $716.39.Current price is: $622.95.

In Stock

( Inventory updated: 06/06/2026 )

Estimated ship date: 2-3 business days

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Elevate the performance and authenticity of your classic vehicle with the 1972 Pontiac Firebird, GTO, Lemans 455 H/O Intake Manifold Set. This high-quality factory aluminum intake manifold is an essential upgrade for any enthusiast looking to restore or enhance their 1972 Firebird and Trans Am models equipped with the revered 455 HO engine.

Key Features and Benefits

  • Factory-Fresh Design: Engineered to replicate the original specifications, this intake manifold preserves the vintage appeal of your muscle car.
  • Versatile Compatibility: While this manifold is correct for 1972, it is versatile enough to fit all 1965 – 1979 Pontiac 350, 389, 400, 428, and 455 engines.
  • Performance Enhancement: Improves air and fuel distribution for better engine efficiency and performance, ensuring your vehicle runs smoothly.
  • Heat Insulation: Includes a factory two-piece crossover heat shield that helps insulate the intake manifold from excessive heat, preserving its integrity and performance.
  • Brand Assurance: Manufactured by OER, a trusted name in automotive parts, ensuring top-tier quality and reliability.

Technical Specifications

  • Part Number: 14427
  • Brand: OER
  • Cast Number: 488945
  • Logo: Correct “W” snowflake logo used in 1972 by Winters foundry.

Fitment Information

This intake manifold is specifically designed for 1972 Pontiac Firebird, GTO, and Lemans vehicles equipped with the 455 HO engine. It can also be utilized on all Pontiac engines produced from 1965 to 1979, including 350, 389, 400, 428, and 455 engines. Please note that engines from 1972 and newer must utilize Felpro gasket #1233 for proper installation. The included cast iron exhaust crossover is functional but not historically correct for 1972, while the heat shield is not the correct version but operates effectively.

Upgrade your Pontiac’s performance and authenticity with the 1972 Pontiac Firebird, GTO, Lemans 455 H/O Intake Manifold Set. Offering compatibility, quality, and performance enhancements, this manifold set is the perfect choice for restoration enthusiasts and muscle car lovers alike!

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OER

Original Equipment Reproduction - OER - is the leading manufacturer and distributor of quality classic automotive restoration parts and accessories. OER products are meticulously manufactured to replicate the OEM appearance, quality and fit that meets or exceeds the original factory specifications.

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