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Air Crossover Gasket - main product image
FEL-PRO
Part # 1242
4.7(47 reviews)

Air Crossover Gasket

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Contact us at 1-866-461-2787 for pricing

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Contact us at 1-866-461-2787 for pricing

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Free ShippingOrders $99+
WarrantyManufacturer backed
Easy Returns30-day policy
Canadian OwnedShipped across Canada
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FEL-PRO 1242 Vehicle Fitment

Fits 0 vehicles

This Air Crossover Gasket fits vehicles.

FEL-PRO 1242 Specifications

Grade Type
Performance
Material
Composite w/coating
Application Notes
Aluminum heads w/non-conventional port and bolt locations - Chevrolet SB2 - Valley cover gasket
Engine Displacement
SB2 (4.400 Bore Centers)
Engine Family
Chevrolet V8 Racing Small Block
Mfg.
GM Performance

FEL-PRO 1242 Interchange Numbers

This part replaces and is compatible with the following part numbers

Interchange Numbers

C5647(Cometic Gasket Automotive)C5308(Cometic Gasket Automotive)C5550(Cometic Gasket Automotive)C5307(Cometic Gasket Automotive)830671(MMP)111084101(Victor Reinz)

FEL-PRO 1242 Product Description

FEL-PRO 1242 Composite w/coating Juego de Juntas para Múltiple de Admisión de Motor

Key Features

  • Cabezas de aluminio con puertos y ubicación de pernos no convencionales
  • Las juntas de distribuidor de entrada de rendimiento Fel-Pro se han probado con prácticamente todas las cabezas de cilindros de repuestos y combinaciones de distribuidores de entrada.
  • Las juntas del distribuidor de entrada de rendimiento están diseñadas sin un núcleo metálico para permitir a los fabricantes de motores a que corten las juntas para un ajuste exacto en puertos modificados.
  • Sin aberturas de cruce del escape o escudos de bloqueo
  • No previsto para usar en vehículos de emisiones controladas
  • Les joints du collecteur d’admission de performance Fel-Pro ont été testés avec pratiquement toutes les combinaisons de tête de cylindre et du collecteur d’admission dans le marché secondaire.
  • Joint de collecteur d’admission performant conçu sans noyau métallique, pour permettre aux constructeurs de moteurs de tailler le joint pour l’ajustement exact sur les orifices modifiés.
  • Aucune ouverture de jonction d’échappement ni bouclier
  • Têtes en aluminium avec emplacements de ports et de boulons non conventionnels
  • Non destiné à l’utilisation dans des véhicules à émission réduite.
  • INSTALLERS ADVANTAGE -- Designed to save time, simplify the job, fix OE design issues, solve customer complaints or enhances durability and longevity
  • Fel-Pro performance intake manifold gaskets have been tested with virtually all aftermarket cylinder head and intake manifold combinations.
  • Performance intake manifold gaskets designed without a metal core, to allow engine builders to trim the gasket for exact fit on modified ports.
  • No exhaust crossover openings or blocking shields
  • Aluminum heads w/non-conventional port and bolt locations
  • Not intended for use in emission controlled vehicles.

Las juntas de rendimiento Fel-Pro ofrecen un sellado confiable bajo condiciones de carreras agotadoras.

About FEL-PRO

Shop FEL-PRO Engine Intake Manifold Gasket Set at Autrex with vehicle fitment details, current pricing, and checkout options for the FEL-PRO 1242. Eligible orders over $99 may qualify for free shipping, with some exceptions.

Ratings & Reviews

4.7out of 5

Based on 47 reviews

  • 538
  • 46
  • 31
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  • 11
  • Direct fit, no surprises
    Marc D.Verified BuyerMay 28, 2026

    Lined up perfectly with the original. Install took about an hour with the right press. Solid feel back in the steering, no more clunk over bumps.

    Installed on 2016 Ram 1500

  • Shipped fast across Canada
    Jen P.Verified BuyerMay 14, 2026

    Ordered on a Monday, had it by Wednesday in Calgary. Greasable fitting is a nice touch. Quality looks on par with OEM.

    Installed on 2014 Chevrolet Silverado 1500

  • Good part, double-check your side
    Steve R.Verified BuyerApr 30, 2026

    Works great so far. Just confirm fitment for your exact trim before ordering — the fitment list on the page was accurate for mine.

    Installed on 2017 Ford F-150

  • Quiet again
    Amrit S.Verified BuyerApr 19, 2026

    Replaced both sides at the same time. The knocking noise is completely gone. Boot quality feels durable.

    Installed on 2015 GMC Sierra 1500

  • Would buy again
    Daniel L.Mar 22, 2026

    Second one I've bought from Autrex. Packaging was secure and the part matched the photos exactly.

    Installed on 2013 Dodge Durango

Frequently Asked Questions — FEL-PRO 1242

What parts does the FEL-PRO 1242 replace?

The FEL-PRO 1242 is a direct replacement for Cometic Gasket Automotive C5647, Cometic Gasket Automotive C5308, Cometic Gasket Automotive C5550, Cometic Gasket Automotive C5307, MMP 830671 and 1 other part numbers. See the full interchange list for all compatible replacements.

What are the shipping options for the FEL-PRO 1242?

Shipping options for the FEL-PRO 1242 are shown during checkout and may vary by item, address, and availability. Eligible orders over $99 may qualify for free shipping, with some exceptions. Call 1-866-461-2787 if you need help confirming shipping or pickup before ordering.

What is the price of the FEL-PRO 1242?

For current pricing on the FEL-PRO 1242, please call us at 1-866-461-2787. Availability and final order details are confirmed before checkout is completed.

Is the Air Crossover Gasket a direct fit replacement?

Yes, the Air Crossover Gasket by FEL-PRO is designed as a direct fit replacement. Use our vehicle selector to confirm compatibility with your specific vehicle.

What warranty does the Air Crossover Gasket come with?

The Air Crossover Gasket comes with the standard FEL-PRO manufacturer warranty. Please check the product specifications for exact warranty terms.