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Earls Pressure Master Header Seal

Replacement Insert Set, Chevy Small Block 265-400 (1.36" x 1.36" Ports)

Part # 29D03B4ERL Be the first to write a review

Earls Pressure Master Header Seal

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4

Emissions

This part is legal for sale or use on Racing Use Only Vehicles

The following vehicles are considered Racing Use Only Vehicles:

  • Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street.

    See Emissions Details
Replacement Insert Set, Chevy Small Block 265-400 (1.36" x 1.36" Ports) - Designed and manufactured for Earl's by Parker-Hannifin Corporation, these seals are the first High Performance Seals developed to solve automotive sealing problems using Aerospace Technology.

Features:

  • Uses Aerospace Technology
  • Reusable/Adaptable
  • Graphite Foil Sealing Inserts
  • Virtually Leakproof
  • Seals Up To 1200% Better
  • Superior Torque Retention
  • Longer Lasting Pre-Load
  • 90% Break Loose Torque

About Earl's

Shop the official site of Earl's Performance Plumbing and discover our selection of end-to-end fittings, hoses, and automotive plumbing solutions at Holley.com!​

Brand Earl's
Emission Code4
MaterialGraphite Foil Inserts
Port ShapeSquare
Port Size.136" x .136"
Product TypeHeader Gaskets
Thickness.100"
UPC021432280341
Part Number29D03B4ERL
4

This part is legal for sale or use on Racing Use Only Vehicles

The following vehicles are considered Racing Use Only Vehicles:

  • Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street.

WARNING: It is against the law to install this part on an Emissions Controlled Vehicle

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